Preheat oven to 400°F.
Prepare Mann’s Butternut Squash “Rotini,” according to directions.
Place cooked Butternut Squash “Rotini in large bowl. Add marinara sauce, ricotta, egg, spinach, 1 cup mozzarella cheese, 2 tablespoons Parmesan cheese, half of the fresh basil, and the chili flakes. Toss gently to mix.
Lightly coat an 8”x8” baking dish with olive oil. Place mixture into dish and top with remaining mozzarella and Parmesan cheese. Bake for 20 minutes (or up to 40 minutes if you don’t precook Butternut Squash “Rotini”) until cooked through and cheese is melted and golden brown.
To plate, garnish with remaining fresh basil.