Pizza Burger

Bahan-bahan (4 porsi)

• ⅓ cup finely diced pepperoni
• ¼ cup finely diced green bell pepper
• 1 pound lean ground beef
• ¼ cup shredded Parmesan cheese
• ½ teaspoon Italian seasoning
• ½ teaspoon garlic powder
• 1 tablespoon olive oil
• ¼ cup pizza sauce (plus additional for dipping if desired)
• 1 cup shredded mozzarella cheese
• ¼ cup pepperoni slices
• 1 tablespoon garlic butter (or butter)
• 4 brioche buns (or hamburger buns)