2 tablespoons olive oil
2 pounds Italian sausage
1 pound ground beef
12 ounces sliced pepperoni
1 pound mushrooms, sliced
3 cloves garlic, minced
2 green bell peppers, diced
2 red bell peppers, diced
1 large onion, diced
One 28-ounce can whole tomatoes
One 15-ounce can tomato paste
1/4 cup prepared pesto
1/3 cup finely minced fresh parsley
2 teaspoons salt
1 teaspoon freshly ground black pepper
1/2 teaspoon red pepper flakes
1/2 cup sliced black olives
30 ounces whole-milk ricotta
2 eggs, beaten
1/2 cup grated Parmesan, plus extra for sprinkling
8 lasagna noodles, cooked until al dente
24 ounces fresh mozzarella, cut into thin slices
The lasagna can be made up to 2 days ahead of time and stored in the fridge, unbaked. It can also be frozen, unbaked. Just thaw before you're ready to bake it.