Pepperoni Mushroom Pizza Burger - Print Version - Taste Like Magic

Ingredients

• 1 1/2 lbs ground beef
• 1 tsp salt
• 1/2 tsp Italian seasoning
• 1/4 tsp black pepper
• 2 tbsp unsalted butter
• 1 cup sliced yellow onion
• 3 cloves garlic, minced
• 2 (8-inch) premade pizza crusts
• 1 cup pizza sauce
• 6 slices American cheese
• 5 oz grated mozzarella cheese
• 12 slices pepperoni
• 1/3 cup canned sliced mushrooms, drained