Boone’s analysis puts a Large Papa John's Ham and Mushroom on Original Base at 114% of an adult’s daily calories, 380% of the daily salt limit for a child aged 4 to 6 and 12.3 teaspoons of free sugar.
How many calories are in a Papa John's Ham and Mushroom Original Base pizza? A Large slice is 227 kcal. The whole Large pizza, cut into 10 slices, is 2,271 kcal, with 62g of fat (28g saturated), 49g of sugar and 11g of salt.
On Original Base it comes as Personal (632 kcal, 4 slices), Small (1,144 kcal, 6 slices), Medium (1,676 kcal, 8 slices), Large (2,271 kcal, 10 slices) and XXL (3,167 kcal, 12 slices). The same Large pizza is 1,730 kcal on Authentic Thin Crust, 2,637 kcal on Stuffed Crust, 2,962 kcal on Cheddar Stuffed Crust and 1,098 kcal on Wheat Free Stone Baked (Medium).
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Use the Boone meal calculator to build a full meal rather than view this item on its own. Pick any size of pizza, then add a side, a dessert and more, and choose your age and sex for a more accurate view of how a Ham and Mushroom on Original Base fits into a day.
Nutrition information
Nutrition information: Papa John's Ham and Mushroom Original Base pizza (Large, per slice / whole pizza)
| Energy | 227 kcal a slice / 2,271 kcal whole |
| Fat | 6.2g / 62g |
| of which saturates | 2.8g / 28g |
| Carbohydrate | 31g / 311g |
| of which sugars | 4.9g / 49g |
| Fibre | 2.4g / 24g |
| Salt | 1.1g / 11g |
| Protein | 10g / 104g |
Nutrition figures are Papa John's UK published data (October 2026), per slice and per whole Large pizza. Boone converts them to the portion and age comparisons on this page.
The whole Large Papa John's Ham and Mushroom Original Base pizza contains 2,271 kcal, which is 114% of the 2,000 kcal adult daily reference intake. It provides 62g of total fat, of which 28g is saturated, 49g of sugar, 11g of salt, 24g of fibre and 104g of protein.
The saturated fat content of 28g represents 141% of the adult daily guideline of 20g.
Papa John's publishes a Large pizza weight of 912g, which works out at 249 kcal per 100g.
Calories by size
Every size on Original Base: Papa John's Ham and Mushroom Original Base pizza
| Size | Slices | Weight | Per slice | Whole pizza |
|---|
| Personal | 4 | 270g | 158 kcal | 632 kcal |
| Small | 6 | 465g | 191 kcal | 1,144 kcal |
| Medium | 8 | 676g | 210 kcal | 1,676 kcal |
| Large | 10 | 912g | 227 kcal | 2,271 kcal |
| XXL | 12 | 1,277g | 264 kcal | 3,167 kcal |
Pick any size in the calculator above. The figures elsewhere on this page are for the Large.
Sugar in Papa John's Ham and Mushroom Original Base pizza
The whole Large Papa John's Ham and Mushroom Original Base pizza contains 49g of free sugar (12.3 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: Papa John's Ham and Mushroom Original Base 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 | 4.9g 16% | 4.9g 16% | 4.9g 16% | 4.9g 21% | 4.9g 26% |
| Whole Large pizza (10 slices) | 49g 164% | 49g 164% | 49g 164% | 49g 205% | 49g 259% |
Teaspoons: 12.3 tsp
Boone calculates these percentages from Papa John'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 Papa John's Ham and Mushroom Original Base pizza
The whole Large Papa John's Ham and Mushroom Original Base pizza contains 11g 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: Papa John's Ham and Mushroom Original Base 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 | 1.1g 19% | 1.1g 19% | 1.1g 19% | 1.1g 23% | 1.1g 38% |
| Whole Large pizza (10 slices) | 11g 190% | 11g 190% | 11g 190% | 11g 228% | 11g 380% |
Boone calculates these percentages from Papa John'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 Papa John's Ham and Mushroom Original Base pizza
The whole Large Papa John's Ham and Mushroom Original Base pizza contains 2,271 kcal. High calorie share
Daily calorie needs vary by age and sex.
Calories by portion: Papa John's Ham and Mushroom Original Base 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 | 227 kcal 11% | 227 kcal 9% | 227 kcal 12% | 227 kcal 15% | 227 kcal 18% |
| Whole Large pizza (10 slices) | 2,271 kcal 114% | 2,271 kcal 91% | 2,271 kcal 117% | 2,271 kcal 146% | 2,271 kcal 176% |
Boone calculates these percentages from Papa John'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 Papa John's Ham and Mushroom Original Base pizza
The whole Large Papa John's Ham and Mushroom Original Base pizza contains 28g 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: Papa John's Ham and Mushroom Original Base 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 | 2.8g 14% | 2.8g 9% | 2.8g 14% | 2.8g 16% | 2.8g 18% |
| Whole Large pizza (10 slices) | 28g 141% | 28g 94% | 28g 141% | 28g 157% | 28g 177% |
Boone calculates these percentages from Papa John'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.
Ingredients
Papa John's Ham and Mushroom Original Base pizza is assembled from 5 components. Papa John's names each topping and the allergens in each component, but it does not publish full ingredient lists for its dough, sauces, cheese or toppings, so Boone cannot count ingredients or additives.
Components: Papa John's Ham and Mushroom Original Base pizza
Original dough base
Papa John's fresh dough, hand-stretched in store. Allergens: wheat (gluten). Full ingredient list not published.
Pizza sauce
Allergens: none listed.
Mozzarella
Allergens: milk.
Ham
Allergens: none listed.
Chestnut mushrooms
Allergens: none listed.
Toppings and component allergens from the Papa John's UK Allergen and Nutritional Information Guide (valid from 1 October 2026). Recipes change, so always check with the store before ordering if you have an allergy.
Allergens at a glance
The Papa John's Ham and Mushroom Original Base pizza contains wheat and milk.
Allergen information: Papa John's Ham and Mushroom Original Base 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 and shellfish | 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 by Papa John's as an ingredient allergen. May contain traces = Papa John's or its supplier flags a risk of cross contact. Papa John's makes food by hand in stores that handle milk and wheat, and all pizzas and many sides pass through shared ovens and equipment, so it cannot guarantee any item is free from any allergen, including its wheat-free base, which is not suitable for coeliacs. From the Papa John's UK Allergen and Nutritional Information Guide (valid from 1 October 2026).