Cosmo's Diner Menu

Welcome to Cosmo's Diner, a beloved culinary gem located at 26 Front St N in Thorold, ON. This charming eatery captures the essence of a retro fifties diner, delivering a delightful dining experience that keeps patrons coming back for more.

The menu is a vibrant tapestry of breakfast classics, featuring customer favorites like the “YOU ARE FABULOUS” breakfast, loaded with perfectly cooked eggs, crispy bacon, and hearty home fries. Diners rave about the generous portions and quality, noting that each dish is prepared to perfection and arrives piping hot.

Beyond the food, the atmosphere is a highlight. Friendly and attentive staff make every visit feel like a welcoming family reunion. With endless coffee and a funky decor that echoes nostalgia, Cosmo's Diner is a must-visit destination for anyone in the Niagara region seeking comfort food in a delightful setting.

Chocolate Cake Lava Pancake Platter

A chocolate cake pancake filled with warm nutella lava, sprinkled with icing sugar & topped with whipped cream.

CA$15.98

The Comet Platter

"You haven't really lived life until you've eaten the comet" is a peanut butter and jam sandwich dipped in pancake batter, then deep-fried and sprinkled with icing sugar.

CA$14.16

French Toast Platter

Two slices of french toast sprinkled with cinnamon sugar.

CA$14.77

Pancake Platter

Two pancakes with your choice of blueberries or strawberries then topped with whipped cream.

CA$16.36

Stuffed French Toast

Two decadent sandwiches dipped in french toast batter and stuffed with your favorite filling, then grilled and sprinkled with cinnamon sugar.

CA$17.46

Breakfast Special Six

One order comes with two-pancakes.

CA$6.90

Breakfast Special Nine

BLT. Sandwich.

CA$9.43

Breakfast Special Ten

One order comes with two large eggs and bakery-fresh bread toasted.

CA$6.11

Breakfast Special One

One order comes with two-piece bacon or two-sausage or smoked ham with two large eggs and bakery-fresh bread toasted.

CA$8.22

Breakfast Special Three

One order comes with one piece of thick hand-cut peameal bacon, two large eggs, and bakery-fresh bread toasted.

CA$9.05

Breakfast Special Eleven

Slices of avocado on bakery fresh bread toasted topped with 2 large scrambled eggs.

CA$9.11

Breakfast Special Four

One order comes with one slice of bacon, one large egg and one pancake.

CA$6.85

Breakfast Special Fourteen

2 slices of bacon OR 2 sausages 2 eggs.

CA$8.55

Breakfast Special Two

One order comes with two-piece bacon or two-sausage or smoked ham with two large eggs, home fries and bakery-fresh bread toasted.

CA$10.21

Breakfast Special Seven

One order comes two-pieces of fresh toast sprinkled with cinnamon sugar.

CA$8.55

Breakfast Special Eight

One order comes with a fried egg sandwich on an english muffin, with cheese and bacon.

CA$6.86

Breakfast Special Five

One order comes with a cheddar cheese omelette made with two large eggs, and bakery-fresh bread toasted.

CA$9.05

Breakfast Special Fifteen

Ham Cheddar omelette made with 2 eggs bakery fresh bread toasted.

CA$12.79

Breakfast Special Thirteen

One slice of bacon one egg one piece of French toast.

CA$8.78

Breakfast Special Twelve

One stuffed french toast [You Pick!].

CA$9.83

Ewen Bowl!

Tater tots Montreal cheese curds bacon hollandaise topped with 2 eggs Bakery fresh bread. [Thanks Ewen!].

CA$18.41

Shakshuka Bowl

Home fries topped with thinly sliced rib eye steak a dollop of shashuka stewed black beans asiago sliced avocado 2 large eggs served with bakery fresh bread toasted.

CA$21.49

Avocado Bowl

Home fries topped with smoky bacon, onion, spinach, roasted red peppers, feta cheese, sliced avocado, two large eggs, and served with bakery fresh bread toasted.

CA$19.07

Number Of Plastic Cutlery

CA$0.00

Peameal Bacon

Two thick slices of hand-cut peameal bacon with two large eggs.

CA$15.04

Bacon Lovers

One thick slice of hand-cut peameal bacon and three slices of smoky bacon.

CA$16.36

Meat Lovers

A slice of smoked ham, a thick slice of hand cut peameal bacon, two sausage links, two slices of smoky bacon, and two large eggs.

CA$17.46

Just Two Eggs Please

CA$8.06

Italian Sausage

Made in house. This spicy Italian sausage is served with two large eggs.

CA$13.78

Steak And Eggs

A New York striploin garnished with truffle mayo.

CA$18.08

Veggie Crepe

Spinach, provolone, asiago, onions, roasted red pepper, and mushroom.

CA$16.37

Smoked Salmon Crepe

Served with two large eggs scrambled with smoked salmon, tomatoes, capers, and provolone cheese.

CA$18.23

Classic Crepe

Served with two large eggs scrambled with honey ham, onion, roasted red pepper, and cheddar cheese.

CA$15.76

Philly Steak Poutine

Order comes with thinly sliced rib-eye steak and caramelised onions mushrooms.

CA$13.20

Classic Poutine

One order comes with oh Montreal cheeses.

CA$7.70

Vegetarian Poutine

Served with caramelised onions, spinach, roasted red pepper, tomatoes, and avocado.

CA$15.40

Pulled Pork Poutine

Served with slow and low cooked pulled pork, house-made barbecue sauce, and chipotle mayo.

CA$13.20

Create Your Own Breakfast

Start counting to have breakfast your way.

CA$14.54

French Toast Platter

Six bacon, six sausages, Six scrambled eggs, and four french toast sprinkled with cinnamon sugar. Served with home fries or tater tots. One order serves two to three people.

CA$50.24

Pancake Platter

Six bacon, six sausages, Six scrambled eggs, and four pancakes served with home fries or tater tots. One order serves two to three people.

CA$46.81

Great Eggs Benedict Combos

CA$16.61

Vegetarian Eggs Benedict

CA$14.41

Fancy Eggs Benedict

CA$18.48

Classic Eggs Benedict

CA$14.41

Millenial Burger

All beef burger topped with smoky bacon, avocado slices, fresh lettuce, tomatoes, pickles, caramelised onions, and chipotle mayo.

CA$18.70

Rising Sun Burger

Served with smoky bacon, sauteed mushrooms, asiago cheese, a sunny side up egg, truffle aioli fresh lettuce and tomatoes, pickles and caramelised onions, on all-beef burger.

CA$17.60

Shakshuka Burger

Hummus shakshuka made with rainbow peppers onions tomatoes topped with avocado and cheddar sunny side up egg. [Served spicy or mild].

CA$20.15

Bacon, Cheeseburger

Served with lettuce, tomatoes, pickles, and caramelised onions.

CA$15.40

Love Me Tender Burger

Served with peanut butter and smoky bacon.

CA$15.40

Cheeseburger

Served with lettuce, tomatoes, pickles, and caramelised onions.

CA$13.20

Fully Loaded Burger

All beef burger topped with smoky bacon and hand-cut peameal bacon, lettuce, tomatoes, pickle, caramelised onions, and cheddar cheese.

CA$17.60

Who Pulled My Pork Burger

All beef burger topped with slow and low cooked pulled pork, house-made barbecue sauce, lettuce, tomatoes, pickles and caramelised onions.

CA$16.50

Hamburger

Served with lettuce, tomatoes, pickles, and caramelised onions.

CA$11.00

Caesar Salad

Crisp romaine, smoky bacon, and shaved parmesan in a house-made caesar dressing.

CA$11.00

Greek Salad

Crisp romaine, olives, fresh tomatoes, and feta cheese tossed in a house-made vinaigrette.

CA$13.20

Julienne Salad

Romaine julienned ham, grated cheddar, sliced tomatoes, and slices of boiled egg in a house-made vinaigrette.

CA$11.00

Cobb Salad

Slices of oven-roasted chicken breast, smoky bacon, crisp romaine, fresh tomatoes, slices of boiled egg, and slices of avocado in house-made vinaigrette.

CA$15.40

Chef's Special Salad

Romaine, chef's choice of today's fresh vegetables, and house-made vinaigrette.

CA$6.60

Bacon And Veggie Skillet

Smoky bacon, onions, mushrooms, green peppers, and tomatoes.

CA$18.46

Turkey Sausage, Onion, Roasted Red Pepper, Spinach Skillet

Turkey Sausage, Onion, Roasted Red Pepper, Spinach.

CA$18.44

Shakshuka Skillet

Shakshuka sauce made with rainbow peppers, onions, tomatoes. [Served spicy or mild {just like love}].

CA$20.66

Pulled Pork Skillet

Cooked slow and low in-house pulled pork, smoky barbecue sauce, sauteed onions, and mushrooms.

CA$17.24

Meat Skillet

Smoky bacon, ham, and sausage.

CA$17.11

Western Skillet

Ham, onion, and roasted red peppers.

CA$15.76

Veggie Skillet

Sauteed mushrooms, onions, green peppers, and tomatoes.

CA$16.26

Bacon, Onions, Mushrooms, And Spinach Skillet

CA$17.48

Italian Sausage Skillet

Made in-house spicy Italian sausage, tomatoes, and onions.

CA$16.36

Lemon Ricotta Crepe

Lemon Ricotta filled crepe with vanilla custard fresh fruit of the day whipped cream!

CA$18.23

Pancake Stacks

CA$12.10

Lemon Ricotta Pancakes

2 lemon ricotta pancakes warm blueberry compote garnish whipped cream.

CA$17.24

The Comet

A peanut butter and jam stuffed french toast dipped in pancake batter, deep-fried then sprinkled with icing sugar.

CA$8.22

Stuffed French Toast

Two decadent sandwiches dipped in french toast batter and stuffed with your favorite filling, then grilled and sprinkled with cinnamon sugar.

CA$17.46

Ricotta Matcha Pancakes

2 pancakes made with pure matcha green tea served with matcha maple syrup whipped ricotta fresh fruit of the day.

CA$17.24

French Toast (3 Pcs)

One order comes with three-piece of french toast.

CA$11.25

Chocolate Cake Lava Pancakes

Two chocolate cake pancakes filled with chocolate Nutella lava and topped with icing sugar , then sprinkled with chocolate chips.

CA$15.04

Build Your Own Omelette

Choice of four toppings.

CA$16.35

Lobster & Bacon Omelette

Butter poached lobster, bacon, and cheddar.

CA$22.35

Turkey Bacon, Turkey Sausage, Cheddar Omelette

Turkey bacon, Turkey Sausage, Cheddar.

CA$16.29

Bacon, Onion, Mushroom, Spinach, And Cheddar Omelette

CA$17.36

South Of Denver Omelette

Cooked slow and low in-house pulled pork, house-made barbecue sauce, onions, roasted red peppers, and cheddar cheese.

CA$16.87

Western Omelette

Smoked ham, onion, and cheddar cheese.

CA$15.88

Turkey Sausage, Roasted Red Pepper, And Asiago Omelette

CA$15.65

Cheese Omelette

Choice of cheddar cheese, provolone cheese or asiago cheese.

CA$12.22

Bacon, Mushroom, And Cheddar Omelette

CA$15.88

Shakshuka Omelette

Cheese, shakshuka sauce made with rainbow peppers onions tomatoes. [Served Spicy or Mild].

CA$16.74

Mediterranean Omelette

Fresh tomatoes, olives, and feta cheese.

CA$15.65

Ham, Onion, Spinach, Feta Omelette

CA$16.35

Italian Omelette

Made in-house spicy Italian sausage, sauteed onions, sauteed tomatoes, and provolone cheese.

CA$15.88

Philly Cheesesteak Sandwich

Thinly sliced rib eye, sauteed onions, and mushrooms, and melted cheddar cheese on a bakery fresh steak bun.

CA$19.06

Crispy Chicken Wrap

Breaded chicken tenders, fresh lettuce, cheddar cheese, chipotle mayo dressing wrapped in a grilled tortilla.

CA$17.08

Chicken Clubhouse

One order comes with slices of oven-roasted chicken breast, ham, smoky bacon, fresh lettuce, and tomatoes on fresh bakery bread toasted in this triple-decker classic.

CA$19.55

The Italian

Our version of a sloppy-joe sandwich, made with Cosmo's in house spicy Italian sausage patty, caramelised onions, tomato topped with provolone cheese on a bakery fresh sub bun.

CA$18.21

Reuben

Corned beef on bakery fresh marble rye grilled and topped with sauerkraut, provolone cheese and Russian dressing.

CA$18.51

Smoked Salmon Avocado Toast

Served with cream cheese, slices of avocado, and smoked salmon, topped with a large scrambled egg, and capers.

CA$19.56

Pineapple Habanero Avocado Toast

Served with cream cheese, slices of avocado, two scrambled eggs, ham, pineapple habanero chutney, and toasted pumpkin seeds.

CA$19.32

Truffle Avocado Toast

Served with double-smoked bacon, slices of avocado, topped with a large scrambled truffle egg, and mushrooms.

CA$17.24

Za'atar Avocado Toast

Served with hummus, Za'atar, slices of avocado, grilled tomatoes, caramelised onions, 2 scrambled eggs, and balsamic glaze drizzle.

CA$18.22

Vegetarian Avocado Toast

Served with roasted red pepper, slices of avocado, and spinach, topped with a large scrambled egg, and feta cheese.

CA$18.22

Shakshuka Avocado Toast

Served with slices of avocado, two scrambled eggs, dollop of shakshuka, stewed black beans, and mushrooms.

CA$18.22

Shakshuka Bowl

Shakshuka made with rainbow peppers, onions, and tomatoes, topped with beef kefta meatballs spinach feta 2 poached eggs. Served with toast for dipping. [Sub vegetarian version {no kefta}].

CA$14.82

Country Scramble Bowl

Avocado halves filled with 2 large scrambled eggs onion spinach mushrooms roasted red peppers feta garnished with balsamic vinaigrette. Served with today's fresh fruit.

CA$15.76

Breakfast Poutine

A plate of Cosmo's home fries topped with Montreal cheese curds and gravy, then topped with two large eggs and creamy hollandaise sauce, served with bakery fresh bread toasted.

CA$15.66

Breakfast Lasagna

A towering stack of pancakes layered just like a lasagna with the first layer stuffed with scrambled eggs and bacon, the second layer scrambled eggs and cheddar cheese, the third layer with scrambled eggs and ham, then smothered in hollandaise sauce.

CA$17.46

Healthy Start

Two large eggs served with bakery fresh bread toasted, and a large serving of today's fresh fruit.

CA$11.85

Tune In

Order comes with tuna, smoky bacon, and tomatoes.

CA$13.20

Hot Crave

Just a grilled cheese please.

CA$7.70

The Wreck

One order comes with smoky bacon, sauteed onion, mushroom, and spinach.

CA$13.20

Skinny Italian

One order comes with tomatoes & basil pesto.

CA$9.90

West Coast

One order comes with turkey bacon, avocado and tomatoes.

CA$15.40

Fat Bear

One order comes with oven-roasted chicken, bacon, and roasted red pepper.

CA$14.30

Wish Melter

Smoky bacon or turkey bacon.

CA$9.90

Wake Me Up

One order comes with smoky bacon and fried egg.

CA$11.00

Rockin Toast

One order comes with smoked ham.

CA$9.90

Have Mercy

One order comes with smoky bacon and caramelised onions.

CA$11.00

Cubano

Slow-cooked pulled pork, house-made barbecue sauce, smoked ham, pickles, and yellow mustard.

CA$12.10

East Coast

One order comes with lobster, spinach, and tomatoes.

CA$17.60

Ultimate Western

This sandwich is made with three large eggs filled with smoked ham, onion, roasted red pepper, and cheddar cheese on bakery-fresh toasted.

CA$9.66

Nirvana Breakfast Sandwich With Bacon Avocado

CA$14.11

Nirvana Breakfast Sandwich With Bacon

CA$12.10

Meat Wrap

Served with scrambled eggs with smokey bacon, sausage, and ham, cheddar cheese in a grilled tortilla.

CA$11.48

Monte Cristo

Served with black forest ham, melted provolone cheese, on bakery-fresh bread dipped in french toast batter.

CA$9.77

Nirvana Breakfast Sandwich

Served with two large soft scrambled eggs on a gourmet bun with chipotle mayo, cheddar cheese, and caramelised onions for extra nirvana add bacon and avocado.

CA$9.90

Mediterranean Hash

Home Fries with spinach, sauteed onion and mushroom, tomatoes, and feta cheese, topped with two large eggs, served with bakery fresh bread toasted.

CA$18.29

Philly Steak Hash

Home fries with sauteed mushrooms and onions, thinly sliced rib-eye steak, cheddar cheese topped with two large eggs, served with bakery fresh bread toasted.

CA$18.46

Corned Beef Hash

Home fries topped with sauteed roasted red peppers, onion and corned beef, then topped with two large eggs, served with bakery fresh bread toasted.

CA$18.18

Sauteed Mushrooms

CA$4.69

Bacon (4 Pcs)

CA$6.11

Gravy

CA$2.99

Hollandaise

CA$4.98

Turkey Sausage (4 Pcs)

CA$6.11

Fresh To Order Fruit Compote

CA$5.01

Bakery Bread Toasted

CA$2.81

Sausage (4 Pcs)

CA$6.11

Smoked Ham (2 Slices)

CA$6.11

Baked Beans

CA$3.00

Toter Tots

CA$5.35

Tomatoes

CA$3.61

Fresh Cut Fries

CA$5.25

Turkey Bacon (4 Pcs)

CA$6.11

Home-Fries

CA$5.25

Sauteed Onions

CA$2.44

Peameal Bacon (2 Slices)

CA$7.21

Today's Fresh Fruit

CA$7.44

Sweet Potato Fries

CA$6.05

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