For the Bake
1 lb ground beef
½ lb Italian sausage (mild or spicy)
1 small onion, finely diced
2 cloves garlic, minced
1 small green bell pepper, diced (optional but delicious)
1 can (14.5 oz / 400 g) diced tomatoes, drained
1½ cups pizza sauce or marinara sauce
1 teaspoon Italian seasoning
½ teaspoon dried oregano
½ teaspoon paprika
¼ teaspoon red pepper flakes (optional, for a little heat)
Salt and black pepper, to taste
1 tablespoon olive oil (for sautéing, if needed)

For the Cheesy Topping & Layers
2 cups shredded mozzarella cheese
1 cup shredded cheddar cheese
¼ cup grated Parmesan cheese
1 cup sliced pepperoni (about 4 oz / 115 g)

Optional Garnish
Fresh parsley, chopped
Sliced green onions