Pizza Meatloaf Surprise

Preheat the oven to 375 degrees F (190 degrees C).

Combine beef, tomatoes, mushrooms, eggs, bread crumbs, pepper, Italian seasoning, and garlic in a large bowl. Set aside a few teaspoons of olives for the topping; add remaining olives to the bowl. Knead with your hands until fully mixed.

Divide 1/2 of the beef mixture between two 8-1/2x4-1/2-inch metal or glass loaf pans, filling each halfway. Use your fingers to create a canoe shape lengthwise down the middle of each loaf. Place a layer of pepperoni slices down the middle; cover with a layer of mozzarella cheese. Repeat with another layer of pepperoni slices and cheese. Reserve a handful of cheese for the topping.

Cover the pepperoni and cheese with the remaining beef mixture. Top meatloaves with a sprinkle of cheese and black olives.

Bake in the preheated oven until beef is no longer pink, about 50 minutes.