Add 1 cup full-fat cottage cheese, ½ cup marinara sauce, 1 ounce shredded mozzarella, and ½ teaspoon Italian seasoning to microwave-safe bowl. Stir ingredients together until fully incorporated, then place bowl in microwave.
Microwave mixture 30 seconds at 100% power.
Remove bowl from microwave. Top mixture 1 ounce shredded mozzarella and 4 slices pepperoni, then return bowl to microwave.
Microwave mixture 30 seconds at 100% power. If needed, microwave mixture 10 to 15 seconds more or until mixture is hot throughout and cheese on top has melted.
Remove bowl from microwave. Add toppings of choice if desired. Enjoy pizza bowl as-is or serve with sliced bell peppers, crackers, or mini naan dippers.