Boone’s analysis puts the whole Domino’s Fiery Vegi Sizzler Double Decadence pizza at 119% of an adult’s daily calories, 467% of the daily salt limit for a child aged 4 to 6 and 6.6 teaspoons of free sugar.
How many calories are in a Domino’s Fiery Vegi Sizzler Double Decadence pizza? A slice of the large is 239 kcal. The whole pizza, cut into 10 slices, is 2,386 kcal, with 109g of fat (65g saturated), 26g of sugar and 14g of salt.
These figures are for the large. Domino’s also makes it as a medium (1,781 kcal), and the size table below gives every one.
This page covers the Double Decadence. As a large, the same pizza is 1,987 kcal as Classic Crust, 1,623 kcal as Italian Style Crust, 2,156 kcal as Stuffed Crust and 1,420 kcal as Thin & Crispy.
Build a full meal with our nutrition calculator
Use the Boone meal calculator to build a full meal rather than view this item on its own. Add a pizza or main, a side, a dip and a dessert, then choose your age and sex for a more accurate view of how a Fiery Vegi Sizzler Double Decadence pizza fits into a day.
Nutrition information
Nutrition information: Domino’s Fiery Vegi Sizzler Double Decadence pizza, large (per slice / whole pizza)
| Energy | 239 kcal a slice / 2,386 kcal whole |
| Fat | 11g / 109g |
| of which saturates | 6.5g / 65g |
| Carbohydrate | 25g / 254g |
| of which sugars | 2.6g / 26g |
| Fibre | 2.9g / 29g |
| Salt | 1.4g / 14g |
| Protein | 9.8g / 98g |
Nutrition figures are Domino’s UK published data (7 September 2026), per slice and per whole pizza, before dips. Boone converts the figures to the portion and age comparisons on this page.
Whole pizza by size: Domino’s Fiery Vegi Sizzler Double Decadence pizza
| Size | Calories | Fat | Saturates | Carbs | Sugars | Fibre | Protein | Salt |
|---|
| Large | 2,386 kcal | 109g | 65g | 254g | 26g | 29g | 98g | 14g |
| Large (reduced-fat mozzarella) | 2,355 kcal | 82g | 36g | 305g | 51g | 36g | 101g | 13g |
| Medium | 1,781 kcal | 86g | 51g | 173g | 20g | 20g | 79g | 11g |
| Medium (reduced-fat mozzarella) | 1,706 kcal | 58g | 27g | 198g | 42g | 28g | 98g | 9.4g |
Domino’s cuts a Large into 10 slices, a Medium into 8, a Small into 6 and a Personal into 4. Reduced-fat mozzarella figures are Domino’s own, for the same pizza made with its reduced-fat cheese option.
The whole Domino’s Fiery Vegi Sizzler Double Decadence pizza (large) contains 2,386 kcal, which is 119% of the 2,000 kcal adult daily reference intake. It provides 109g of total fat, of which 65g is saturated, 26g of sugar, 14g of salt and 98g of protein.
The saturated fat content of 65g represents 326% of the adult daily guideline of 20g.
Domino’s does not publish portion weights, so Boone cannot show figures per 100g for this item.
Sugar in Domino’s Fiery Vegi Sizzler Double Decadence pizza
The whole Domino’s Fiery Vegi Sizzler Double Decadence pizza contains 26g of free sugar (6.6 teaspoons). High sugar
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. Free sugar excludes the sugars naturally present in milk and whole fruit.
Free sugar by portion: Domino’s Fiery Vegi Sizzler Double Decadence pizza
| Portion | Adult (female)
30g | Adult (male)
30g | Age 11 to 17
30g | Age 7 to 10
24g | Age 4 to 6
19g |
|---|
| 1 slice (Large) | 2.6g
9% | 2.6g
9% | 2.6g
9% | 2.6g
11% | 2.6g
14% |
| Whole large (10 slices) | 26g
88% | 26g
88% | 26g
88% | 26g
110% | 26g
139% |
| Whole medium (8 slices) | 20g
68% | 20g
68% | 20g
68% | 20g
85% | 20g
107% |
Teaspoons: 6.6 tsp
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Salt in Domino’s Fiery Vegi Sizzler Double Decadence pizza
The whole Domino’s Fiery Vegi Sizzler Double Decadence pizza contains 14g of salt. High salt
Children have lower salt limits: 3g per day for ages 4 to 6, 5g for ages 7 to 10.
Salt by portion: Domino’s Fiery Vegi Sizzler Double Decadence pizza
| Portion | Adult (female)
6g | Adult (male)
6g | Age 11 to 17
6g | Age 7 to 10
5g | Age 4 to 6
3g |
|---|
| 1 slice (Large) | 1.4g
23% | 1.4g
23% | 1.4g
23% | 1.4g
28% | 1.4g
47% |
| Whole large (10 slices) | 14g
233% | 14g
233% | 14g
233% | 14g
280% | 14g
467% |
| Whole medium (8 slices) | 11g
184% | 11g
184% | 11g
184% | 11g
221% | 11g
369% |
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Calories in Domino’s Fiery Vegi Sizzler Double Decadence pizza
The whole Domino’s Fiery Vegi Sizzler Double Decadence pizza contains 2,386 kcal. High calorie share
Daily calorie needs vary by age and sex.
Calories by portion: Domino’s Fiery Vegi Sizzler Double Decadence pizza
| Portion | Adult (female)
2,000 kcal | Adult (male)
2,500 kcal | Age 11 to 17
1,936 kcal | Age 7 to 10
1,553 kcal | Age 4 to 6
1,291 kcal |
|---|
| 1 slice (Large) | 239 kcal
12% | 239 kcal
10% | 239 kcal
12% | 239 kcal
15% | 239 kcal
18% |
| Whole large (10 slices) | 2,386 kcal
119% | 2,386 kcal
95% | 2,386 kcal
123% | 2,386 kcal
154% | 2,386 kcal
185% |
| Whole medium (8 slices) | 1,781 kcal
89% | 1,781 kcal
71% | 1,781 kcal
92% | 1,781 kcal
115% | 1,781 kcal
138% |
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Saturated fat in Domino’s Fiery Vegi Sizzler Double Decadence pizza
The whole Domino’s Fiery Vegi Sizzler Double Decadence pizza contains 65g of saturated fat. High saturated fat
The saturated fat guideline is 20g a day for women and 30g for men, and lower for children.
Saturated fat by portion: Domino’s Fiery Vegi Sizzler Double Decadence pizza
| Portion | Adult (female)
20g | Adult (male)
30g | Age 11 to 17
20g | Age 7 to 10
18g | Age 4 to 6
16g |
|---|
| 1 slice (Large) | 6.5g
33% | 6.5g
22% | 6.5g
33% | 6.5g
36% | 6.5g
41% |
| Whole large (10 slices) | 65g
326% | 65g
218% | 65g
326% | 65g
363% | 65g
408% |
| Whole medium (8 slices) | 51g
256% | 51g
171% | 51g
256% | 51g
284% | 51g
320% |
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Ultra-processed food: what is really in it
Processing and additives: Domino’s Fiery Vegi Sizzler Double Decadence pizza
Reading the published ingredient list closely, the whole Domino’s Fiery Vegi Sizzler Double Decadence pizza contains emulsifiers, stabilisers and thickeners, preservatives, acidity regulators and flour treatment agents. These are not there to add nutritional value. They make industrial production and distribution possible.
Emulsifiers
Help oil-based and water-based ingredients blend and stay blended. Found in the double decadence dough.
Stabilisers and thickeners
Give sauces, fillings and processed meats body and hold water in. Found in the double decadence dough.
Preservatives
Extend shelf life by slowing the growth of bacteria and moulds. Found in the double decadence dough and jalapeños.
Acidity regulators
Control sourness and help preserve. Found in the double decadence dough, tomato sauce and jalapeños.
Flour treatment agents
Strengthen dough so it survives machine handling. Found in the double decadence dough.
Boone classifies Domino’s Fiery Vegi Sizzler Double Decadence pizza as NOVA group 4, ultra-processed, based on the ingredients named above. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list, September 2026.
The whole Domino’s Fiery Vegi Sizzler Double Decadence pizza contains 35 distinct ingredients: 20 raw and 15 manufactured. Raw means something you could buy and cook with at home; manufactured means a substance that only exists as an output of industrial processing.
Ingredients
Domino’s Fiery Vegi Sizzler Double Decadence pizza is assembled from 7 separately prepared components.
Ingredients by component: Domino’s Fiery Vegi Sizzler Double Decadence pizza
Double Decadence dough
Thin & Crispy WHEAT flour, Water, Rapeseed Oil, Emulsifiers (Mono and Diglycerides, Mono and Diacetyl tartaric acid), Salt, Yeast, Preservative (Potassium Sorbate, Calcium Propionate), Sugar, Flour Treatment Agents (Ascorbic Acid, L Cysteine). Garlic & Herb Liquid Cheese: Cheese (MILK), Water, Stabilisers (E339, E452) Garlic, Herbs, Preservative: Potassium Sorbate (E202), Lactic Acid (E270).
Tomato Sauce
(Tomatoes, Sugar, Salt, Garlic, Black Pepper, Oregano, Basil, Chilli, Peppermint, Acidity Regulatory: Citric Acid).
Jalapeños
(Green Jalapeños, Water, Salt, Acidity Regulator: Acetic Acid, Firming Agent: Calcium Chloride, Preservative: Sodium Benzoate).
Ingredients from the Domino’s UK Ingredients & Allergen Information guide (correct as of 7 September 2026). Allergens are shown in CAPITALS. Where Domino’s lists alternative suppliers, Boone shows the first. Recipes change, so always check the latest guide if you have an allergy.
Allergens at a glance
The whole Domino’s Fiery Vegi Sizzler Double Decadence pizza contains wheat and milk. Domino’s lists it as suitable for vegetarians.
Allergen information: Domino’s Fiery Vegi Sizzler Double Decadence pizza
| Allergen | Status |
|---|
| Wheat | Contains |
| Rye | Not present |
| Barley | Not present |
| Oats | Not present |
| Sesame | Not present |
| Soya | Not present |
| Milk | Contains |
| Eggs | Not present |
| Fish | Not present |
| Crustaceans | Not present |
| Molluscs | Not present |
| Celery | Not present |
| Mustard | Not present |
| Lupin | Not present |
| Sulphites | Not present |
| Peanuts | Not present |
| Tree nuts | Not present |
Contains = declared as an ingredient in Domino’s guide. Domino’s prepares food in stores where equipment and utensils are shared, so it cannot guarantee any product is free from allergens, even when ingredients are removed on request. Its gluten free pizzas are prepared under procedures accredited by Coeliac UK and contain less than 20ppm gluten. For pizzas Boone combines the allergens for the crust, sauce, cheese and toppings. From the Domino’s UK Ingredients & Allergen Information guide (correct as of 7 September 2026).
