Where the calories come from
Bun, water, butter has 164 kcal per medium portion (55 g), with 26.4 g carbs, 1.1 g fibre, 4 g protein and 4.3 g fat. 100 g has 297 kcal.
Last updated June 30, 2026 · Where the data comes from
Pick an amount to see what it gives you. Tap a nutrient to learn what it does.
% of the daily value for a healthy adult. Your own needs depend on age, sex and activity.
Amino acid data is mapped from the USDA database, for information only.
Wheat flour
Type: Food
Cereals and cereal products -> Flour
1000.00
grams
Water, tap water
Type: Food
Beverages -> Drinking water
500.00
grams
Sugar
Type: Food
Sugar and confectionery -> Sugar and syrups
170.00
grams
Butter, salted
Type: Food
Fat and fat products -> Butter, milk fat
150.00
grams
Egg
Type: Food
Egg dishes -> Egg
110.00
grams
Baking yeast
Type: Food
Miscellaneous -> Miscellaneous ingredients
50.00
grams
Salt, iodised
Type: Food
Miscellaneous -> Spices
5.00
grams
How we combine and check nutrition data: Nutriely data sources.
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