Mix all the ricotta, mozzarella, Parmesan, oregano, garlic, basil, chili flakes (optional),salt, and pepper until smooth.
3. Step
Unfold a jumbo shell, turning it inside out, and gently fill it with 1-2 tablespoons of the cheese mixture. Refold the shell and set aside. Repeat with the rest of the pasta shells.
4. Step
In a circular dish, place a layer of marinara sauce that completely covers the bottom of the pan. Place the shells, cheese side up in the pan in a spiralling pattern.
5. Step
Pour a little extra marinara sauce within the spiral and top the whole pan with mozzarella cheese.
6. Step
Bake for 15 minutes, or until the sauce is bubbling and the cheese is a golden brown.
