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There are 390 calories in a 1 slice serving of Little Caesars Deep Dish Pepperoni Pizza. Calorie breakdown: 41% fat, 42% carbs, 17% protein.
3 How many calories are in deep dish vs thin crust pizza slice? How thick or thin?: Of course it all depends on how you define these thicknesses and how big a slice. In general, estimates are a difference of about 100-200 calories per slice. But that yummyness may be worth it.