Preheat oven to 400 degrees.
In a large skillet, heat olive oil over medium-high heat. Add ground beef and sausage. Season with salt, Italian seasoning and garlic powder. Break meat apart into small pieces and cook until no longer pink. Drain any excess grease.
1 tbsp. olive oil, 1 # ground beef, ½ # Italian pork sausage, 1 tsp. salt, 2 tsp. Italian seasoning, ½ tsp. garlic powder
Add chopped onion and peppers. Sauté 2-3 minutes until they start to soften. Add marinara sauce, olives and mushrooms. Mix well and remove from heat.
1 small yellow onion, 1 green bell pepper, 23 oz. can marinara or spaghetti sauce, 2.25 oz. can sliced black olives, 4 oz. can sliced mushrooms
Place meat mixture in the bottom of a 9x13 or 3 quart baking dish. Top with tater tots.
32 oz. bag frozen tater tots
Bake casserole for 35-40 minutes until tater tots are crispy. Remove from oven and evenly spread cheese over the tater tots and top with pepperoni slices.
2 cups mozzarella cheese, sliced pepperoni
Bake for an additional 5 minutes until cheese is melted.
