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Costa Coffee Carrot and Walnut Cake: calories, sugar and salt
Per slice of Costa Coffee Carrot and Walnut Cake contains 389 kcal, 30g of sugar (7.5 teaspoons) and 0.5g of salt. It is classified as NOVA 4 under the NOVA food processing classification system.
Build your meal and choose an age group to see how the nutrition compares to daily reference intakes.
Costa Coffee nutrition calculator
Nutrition calculator
Select a portion size and age group to see how it fits into daily reference intakes.
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Nutrition by serving: calories, sugar and salt
Costa Coffee Carrot and Walnut Cake contains 389 kcal, 22g of fat (6g saturated), 43g of carbohydrate (30g sugar), 5.5g of protein and 0.5g of salt per per slice.
Nutrition by serving: Costa Coffee Carrot and Walnut Cake
Serving
Calories
Salt
Sugar
= teaspoons
Carbs
Protein
Per slice
389 kcal
0.5g
30g
7.5 tsp
43g
5.5g
Salt amber above 20% of 6g adult daily limit, red above 75%. Sugar in teaspoons at 4g each.
Sugar in Costa Coffee Carrot and Walnut Cake
Costa Coffee Carrot and Walnut Cake contains 30g of sugar per per slice (7.5 teaspoons). Sugar level: High. The table below shows how this compares to daily free sugar limits across all age groups.
Sugar by portion: Costa Coffee Carrot and Walnut Cake
Portion
Adult (female) 30g
Adult (male) 30g
Age 11 to 17 30g
Age 7 to 10 24g
Age 4 to 6 19g
Per slice
30g 100%
30g 100%
30g 100%
30g 125%
30g 158%
Teaspoons
7.5 tsp
Percentage shown is % of daily reference intake for each age group.
Salt in Costa Coffee Carrot and Walnut Cake
Costa Coffee Carrot and Walnut Cake contains 0.5g of salt per per slice. Salt level: Low. The table below shows how this compares to daily salt limits for adults and children.
Salt by portion: Costa Coffee Carrot and Walnut Cake
Portion
Adult (female) 6g
Adult (male) 6g
Age 11 to 17 6g
Age 7 to 10 5g
Age 4 to 6 3g
Per slice
0.5g 8%
0.5g 8%
0.5g 8%
0.5g 10%
0.5g 17%
Percentage shown is % of daily reference intake for each age group.
Calories in Costa Coffee Carrot and Walnut Cake
Calories by portion: Costa Coffee Carrot and Walnut Cake
Portion
Adult (female) 2000 kcal
Adult (male) 2500 kcal
Age 11 to 17 1936 kcal
Age 7 to 10 1553 kcal
Age 4 to 6 1291 kcal
Per slice
389 kcal 19%
389 kcal 16%
389 kcal 20%
389 kcal 25%
389 kcal 30%
Percentage shown is % of daily reference intake for each age group.
Saturated fat in Costa Coffee Carrot and Walnut Cake
Saturated fat by portion: Costa Coffee Carrot and Walnut Cake
Portion
Adult (female) 20g
Adult (male) 30g
Age 11 to 17 20g
Age 7 to 10 18g
Age 4 to 6 16g
Per slice
6g 30%
6g 20%
6g 30%
6g 33%
6g 38%
Percentage shown is % of daily reference intake for each age group.
UPF classification: is Costa Coffee Carrot and Walnut Cake ultra-processed?
NOVA 4: ultra-processed food
Contains cream cheese frosting with thickeners, xanthan gum and preservative potassium sorbate — ultra-processed.
The NOVA classification system groups foods by the extent and purpose of processing. NOVA 4 covers products containing industrial additives not typically used in home cooking.
Allergen information: Costa Coffee Carrot and Walnut Cake
Milk
Present
Wheat / Gluten
Present
Egg
Present
Soya
Not present
Peanuts
Not present
Tree Nuts
Present
Fish
Not present
Shellfish
Not present
Celery
Not present
Mustard
Not present
Sesame
Not present
Lupin
Not present
Molluscs
Not present
Sulphur Dioxide / Sulphites
Not present
Costa prepares drinks and food in stores where all 14 major allergens are handled. Cross-contamination cannot be guaranteed. Always tell your barista if you have a severe allergy.
Frequently asked questions
Per slice of Costa Coffee Carrot and Walnut Cake contains 389 kcal — 19% of the adult 2,000 kcal daily reference intake.
Per slice contains 30g of sugar — 7.5 teaspoons. This single item meets or exceeds the adult free sugar limit of 30g per day. The NHS free sugar limit is 30g per day for adults, 24g for children aged 7 to 10, and 19g for children aged 4 to 6.
Per slice contains 0.5g of salt. This item is moderate in salt relative to the adult daily limit.
Per slice contains 5.5g of protein — 11% of the adult 50g daily reference intake.
Carrot and Walnut Cake is suitable for vegetarians but contains animal products.
Carrot and Walnut Cake contains: Wheat / Gluten, Egg, Milk, Tree Nuts. Costa prepares drinks and food in stores where all 14 major allergens are handled. Cross-contamination cannot be guaranteed. Always tell your barista if you have a severe allergy.
Carrot and Walnut Cake is classified as NOVA 4. Contains cream cheese frosting with thickeners, xanthan gum and preservative potassium sorbate — ultra-processed.
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Source: Source: Costa Coffee UK Store Allergen and Nutrition Guide 30 April – 26 August 2026 (costa.co.uk). NOVA classification from ingredient list at time of writing. For guidance only, not medical advice.
