Figures from LEON Foodie Fact Sheet, September 2026 , collected by Boone
Big Breakfast Box, as published. Calorie split calculated by Boone. How
The Big Breakfast Box as published, seen four ways.
2 of 3 limits are over 30% in one breakfast item, the UK front-of-pack mark for high.
Saturated fat is the biggest issue: 13g is 65% of an adult’s daily 20g in one breakfast item.
Lower saturated fatSimple Porridge (Almond Milk) →2.1g saturated fat (11%), 234 kcalNHS limits by age: salt goes from 48% for an adult to 97% at age 4 to 6.
For age 4 to 6, salt is the bigger share: 2.9g is 97% of the day’s 3g limit in one breakfast item.
Lower-salt swapSimple Porridge (Almond Milk) →0.18g salt, 6% of the 3g limitFor age 7 to 10, salt is the bigger share: 2.9g is 58% of the day’s 5g limit in one breakfast item.
Lower-salt swapSimple Porridge (Almond Milk) →0.18g salt, 4% of the 5g limitFor age 11 to 17, salt is the bigger share: 2.9g is 48% of the day’s 6g limit in one breakfast item.
Lower-salt swapSimple Porridge (Almond Milk) →0.18g salt, 3% of the 6g limitProtein counts in your favour here, but the saturated fat is still 65% of the adult limit.
40g of protein, #4 on the menu. Per calorie the Chargrilled Chicken Mezze gives more: 15.2g per 100 kcal against 7.2g.
Most protein per calorieChargrilled Chicken Mezze →21g protein in 138 kcalHere the 1,160mg of sodium counts as useful after sweaty exercise.
13g of carbohydrate, with 61% of the energy from fat.
Natural sugars in milk, fruit and veg don’t count. NHS →
For smaller portions: the most nutrition per calorie, against all 297 Leon items.
More protein per calorie than 81% of the 297 items on the menu.
More fibre per calorie than 35% of the 297 items on the menu.
Leon does not publish vitamins or minerals for this item, so Boone does not estimate them.
10 ingredients across 1 part; 2 are additives or processed (orange).
Group 3: made from whole foods with added salt, sugar or oil. How NOVA works →
Full English Poached Egg Pot (Double Egg) 33g protein, 2.34g salt456
Sausage and Egg Muffin 26g protein, 2.21g salt462
Avocado and Halloumi Muffin with Gluten-Free Bun 15g protein, 1.72g salt470
Bacon and Egg Muffin with Gluten-Free Bun 21g protein, 1.98g salt483
Sausage and Egg Muffin with Gluten-Free Bun 23g protein, 2.07g salt514
Big Breakfast Box 40g protein, 2.9g salt558
Halloumi Breakfast Box 41g protein, 3.26g salt589
Full Monty 36g protein, 2.4g salt624558 kcal as published. 558 kcal is 28% of a 2,000 kcal adult reference intake.
For a child aged 4 to 6 it is 97% of the day’s 3g salt limit and 13% of the 19g free sugar limit in one item. A Simple Porridge (Almond Milk) has 0.18g of salt, 6% of that salt limit.
6.7g of total sugar as published. Boone estimates 2.5g of it is free sugar: 0.6 teaspoons and 8% of an adult’s 30g daily maximum. The other 4.2g is naturally occurring and does not count.
40g, 7.2g per 100 kcal. It ranks #4 of 297 items on the menu for protein. The Chargrilled Chicken Mezze gives the most protein for the calories, 15.2g per 100 kcal.
No, NOVA group 3. The ingredient list includes preservatives and antioxidants.
As published, milk and eggs.
Source. LEON Foodie Fact Sheet, September 2026 , per item as sold.
Collected. Copied by Boone from Leon’s published figures. Data checks are led by Murray Dare.
Calculated by Boone. Labelled where it appears.
Limits. NHS free sugar and salt limits by age; UK reference intakes for adults.
