My husband loves this meal for a weeknight dinner!

1 pound Italian sausage, sliced
1 cup sliced pepperoni
2 cups bell peppers, sliced (red and green)
2 cups shredded mozzarella cheese
1/2 cup grated Parmesan cheese
1 teaspoon Italian seasoning
1/2 teaspoon garlic powder
Salt and pepper to taste
Olive oil for greasing