Jack’s Pizza Calories Breakdown – What’s Really in Each Slice?

Close-up of a cooked Jack’s cheese pizza with melted cheese and browned crust on a white plate
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Jack’s Pizza is a staple in many households for its convenience and classic frozen pizza taste.

Whether you’re grabbing a slice for a quick lunch or enjoying it on a movie night, it’s helpful to know exactly what you’re putting into your body.

Serve it as a standalone snack, with a side salad, or add protein for a more balanced meal.

Pizza Type Calories Fat (g) Carbs (g) Protein (g) Sodium (mg)
Pepperoni 390 19 38 18 890
Sausage 350 17 34 17 640
Cheese ~320* ~14* ~35* ~15* ~580*

What Makes Up a Jack’s Pizza Slice?

One-third of a Jack’s frozen pizza generally counts as a single serving. That equals about two slices depending on how it’s cut.

Fat, carbohydrates, and protein make up the bulk of what’s consumed in each serving. Carbs dominate due to the crust and sauce, while cheese and meats offer protein and fat.

On average, a slice comes in between 350 and 390 calories, with slight variation depending on toppings and cheese volume.

Macronutrient balance is typical for a frozen pizza meal. It delivers a quick punch of energy, some satiety through protein, and a lot of flavor in one crisp bite.

Those looking at food labels will find sodium, saturated fat, and sugar worth tracking here, especially if a second slice seems tempting. While not necessarily considered “light,” Jack’s pizza is portion-controlled in design.

A pizza cutter slicing a cooked Jack’s cheese pizza into 8 even slices on a wooden board.
Cutting a pizza into 8 slices is a classic method that ensures even portions and faster cooling

A Hearty, High-Fat Favorite

One slice of Jack’s Pepperoni Pizza hits 390 calories, making it the most calorie-dense among common varieties.

Each bite offers 19 grams of fat, including 8 grams of saturated fat. That’s nearly one-third of daily fat intake, packed in a thin triangle of cheesy, meaty crunch.

Carbs reach 38 grams, with 5 grams of sugar and 3 grams of fiber. Protein comes in at 18 grams, a solid helping for muscle repair or post-workout fuel.

Sodium stands at a hefty 890mg-almost 40% of the daily suggested max.

Flavor intensity and protein content make it appealing to those craving something bold. But the high saturated fat and sodium levels should not be ignored.

A slice may taste light, but it comes with dietary weight. To offset the calories, plan for about 45 minutes of jogging, brisk walking, or cycling.

High Flavor, High Sodium

Jack’s Sausage Pizza lands at about 350 calories per slice. Slightly lower in calories than the pepperoni version, it still offers a dense nutritional load.

Close-up of Jack’s Original Thin frozen sausage and pepperoni pizza packaging
Jack’s Pizza has been a Midwest favorite since 1960, known for its thin crust and Wisconsin cheese

Fat content hits 17 grams with 7 grams of saturated fat. Those tracking intake will find 26% of their daily fat allowance gone after one slice.

Carbs register at 34 grams, with 3 grams of sugar and 2 grams of fiber. Protein stands strong at 17 grams. Sodium clocks in at 640mg—less than the pepperoni slice, but still over a quarter of the recommended daily max.

A standout is the iron content, hitting around 2.7mg per slice. That’s helpful for those needing a bit more in their diet. While flavor is savory and satisfying, sodium levels and saturated fat deserve attention.

Sausage lovers may appreciate the slightly leaner profile compared to pepperoni while still enjoying a meaty bite.

Bonus: Make your own homemade italian sausage pizza with this recipe!

The Lighter Option

Jack’s Cheese Pizza appears to offer the least caloric load per slice, averaging around 300 to 330 calories.

Though detailed data remains limited, typical cheese-only slices run lower in fat and sodium compared to their meat-topped counterparts.

Fat likely falls between 12 to 15 grams, and saturated fat sits noticeably lower than sausage or pepperoni varieties. Protein remains present thanks to the mozzarella, but in slightly smaller quantities—likely around 14–16 grams. Carbs stay in a similar range at 33–36 grams.

Sodium levels are estimated to stay under 600mg per slice, which marks it as the gentler option for those watching intake.

Cheese lovers get the creamy satisfaction without the heavier hit of meat toppings. For calorie-conscious eaters or those managing sodium levels, cheese may offer a middle ground without sacrificing the pizza experience.

Can You Use some Alternative Ingredients?

A freshly baked cheese pizza with basil leaves on top, resting on a parchment-lined baking sheet
Using a baking sheet while cooking frozen pizza reduces crust crispiness by limiting direct heat exposure

If you’re looking to make Jack’s Pizza a bit healthier or cater to specific dietary needs, there are several smart ingredient swaps you can try.

For a lower-carb version, consider using a cauliflower pizza crust or a keto-friendly flatbread as your base, then recreate the toppings from scratch.

Instead of processed pepperoni, try leaner proteins like grilled chicken, turkey pepperoni, or plant-based sausage alternatives.

These not only reduce saturated fat and sodium but also offer a fresh twist in flavor.

For a more wholesome upgrade, swap the standard mozzarella cheese with part-skim or plant-based cheese options. Nutritional yeast can even be sprinkled for a cheesy flavor without added fat.

To pack in more nutrients, load your pizza with fresh vegetables like spinach, mushrooms, bell peppers, zucchini, or red onions.

Even the sauce can be elevated; opt for a low-sugar marinara or make your own using crushed tomatoes, garlic, olive oil, and herbs for a cleaner, richer flavor.

The Bottom Line

Jack’s Pizza delivers convenience and comfort, but being informed about its ingredients empowers smarter choices.

Small changes, like healthier toppings or alternate crusts, can enhance both nutrition and satisfaction without sacrificing what makes it enjoyable.

A bit of creativity can go a long way in transforming a frozen pizza into something more balanced and personal.

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