British Cheese and Onion Sandwich

Name: British Cheese and Onion Sandwich
Prep time: 10 min
Total time: 10 min
Cuisine: British
Ingredients: 200 g Cheese; 100 g Sweet white onions; 20 g Scallions; 60 g Mayonnaise; 80 g Bacon; 20 g Butter; 8 slice Bread; 1 tsp Salt; ½ tsp Black pepper

British Cheese and Onion Sandwich · ready in 10 min · 4 servings · 420 kcal per serving · very easy · 9 ingredients

A classic British favorite with sharp grated cheese, sweet onions, and creamy mayonnaise layered between buttered bread, delivering a rich, savory bite with fresh crunch and comforting nostalgia.

Prep: 10 min
Total: 10 min
Serves: 4
kcal: 420
Difficulty: very easy

British Main dishes Snacks & starters Meal prep Quick (30 min or less)Low-carb (20 g or less)

A QiMeal recipe · Updated 3 October 2026

Ingredients · 4 servings

200 gCheese
100 gSweet white onions
20 gScallions
60 gMayonnaise
80 gBacon
20 gButter
8 sliceBread (optional)
1 tspSalt
½ tspBlack pepper

Equipment

box grater, butter knife, chef knife, mixing bowl, serving plate, spoon

Instructions

Prep filling
Grate the cheese, finely slice the sweet white onions and scallions, then mix with the mayonnaise in a bowl; season with salt and black pepper. · 5 min
What to look for: Evenly coated cheese and onions
Butter bread
Spread the butter evenly over the bread slices, then spoon the cheese and onion mixture onto half of the slices. · 3 min
What to look for: Thick, even layer on bread
Add bacon
Arrange the bacon slices evenly over the filling if using, then close the sandwiches with the remaining bread slices. · 2 min
What to look for: Evenly layered bacon
Serve
Cut the sandwiches in half and serve immediately; any extra filling can be spooned over hot baked potatoes with crumbled bacon. · 1 min

Nutrition (per serving)

kcal	420
Protein	18 g
Carbohydrates	18 g
of which sugars	4 g
Fat	34 g
of which saturated	18 g
Fibre	2 g
Sodium	780 mg

Nutri-ScoreD

Allergens

Contains: gluten, milk

Storage and reheating

Fridge: up to 1 days
Freezer: not recommended

Ingredient substitutions

Cheese

cheddar cheese: Sharp cheddar is traditional for British-style flavor.
red leicester cheese: Adds slightly sweeter, nutty notes.

Sweet white onions

yellow onion: Slightly stronger flavor but still suitable.

Scallions

chives: Milder onion flavor with fresh aroma.

Mayonnaise

plain yogurt: Creates tangier, lighter spread.

Bacon

smoked turkey rashers: Lower fat option with smoky profile.

Butter

margarine: Choose non-hydrogenated for better flavor.