12 lasagna noodles, cooked and drained
1 pound Italian sausage, cooked and crumbled
1 cup ricotta cheese
1 cup shredded mozzarella cheese
1 cup grated Parmesan cheese
1 large egg, beaten
2 cups marinara sauce
2 tablespoons chopped fresh parsley
1 teaspoon dried basil
1/2 teaspoon garlic powder
Salt and pepper to taste