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Costa Coffee Millionaire's Shortbread: calories, sugar and salt
Per slice of Costa Coffee Millionaire's Shortbread contains 449 kcal, 37g of sugar (9.3 teaspoons) and 0.45g of salt. It is classified as NOVA 4 under the NOVA food processing classification system.
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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 Millionaire's Shortbread contains 449 kcal, 23g of fat (14g saturated), 56g of carbohydrate (37g sugar), 5.5g of protein and 0.45g of salt per per slice.
Nutrition by serving: Costa Coffee Millionaire's Shortbread
Serving
Calories
Salt
Sugar
= teaspoons
Carbs
Protein
Per slice
449 kcal
0.45g
37g
9.3 tsp
56g
5.5g
Salt amber above 20% of 6g adult daily limit, red above 75%. Sugar in teaspoons at 4g each.
Sugar in Costa Coffee Millionaire's Shortbread
Costa Coffee Millionaire's Shortbread contains 37g of sugar per per slice (9.3 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 Millionaire's Shortbread
Portion
Adult (female) 30g
Adult (male) 30g
Age 11 to 17 30g
Age 7 to 10 24g
Age 4 to 6 19g
Per slice
37g 123%
37g 123%
37g 123%
37g 154%
37g 195%
Teaspoons
9.3 tsp
Percentage shown is % of daily reference intake for each age group.
Salt in Costa Coffee Millionaire's Shortbread
Costa Coffee Millionaire's Shortbread contains 0.45g 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 Millionaire's Shortbread
Portion
Adult (female) 6g
Adult (male) 6g
Age 11 to 17 6g
Age 7 to 10 5g
Age 4 to 6 3g
Per slice
0.45g 8%
0.45g 8%
0.45g 8%
0.45g 9%
0.45g 15%
Percentage shown is % of daily reference intake for each age group.
Calories in Costa Coffee Millionaire's Shortbread
Calories by portion: Costa Coffee Millionaire's Shortbread
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
449 kcal 22%
449 kcal 18%
449 kcal 23%
449 kcal 29%
449 kcal 35%
Percentage shown is % of daily reference intake for each age group.
Saturated fat in Costa Coffee Millionaire's Shortbread
Saturated fat by portion: Costa Coffee Millionaire's Shortbread
Portion
Adult (female) 20g
Adult (male) 30g
Age 11 to 17 20g
Age 7 to 10 18g
Age 4 to 6 16g
Per slice
14g 70%
14g 47%
14g 70%
14g 78%
14g 88%
Percentage shown is % of daily reference intake for each age group.
UPF classification: is Costa Coffee Millionaire's Shortbread ultra-processed?
NOVA 4: ultra-processed food
Contains sweetened condensed milk, milk chocolate with emulsifiers and glucose syrup in caramel — 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 Millionaire's Shortbread
Milk
Present
Wheat / Gluten
Present
Egg
Not present
Soya
Not present
Peanuts
Not present
Tree Nuts
Not 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 Millionaire's Shortbread contains 449 kcal — 22% of the adult 2,000 kcal daily reference intake.
Per slice contains 37g of sugar — 9.3 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 0.45g 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.
Millionaire's Shortbread is suitable for vegetarians but contains animal products.
Millionaire's Shortbread contains: Wheat / Gluten, Milk. 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.
Millionaire's Shortbread is classified as NOVA 4. Contains sweetened condensed milk, milk chocolate with emulsifiers and glucose syrup in caramel — 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.
