1 12 oz. box jumbo pasta shells
2 teaspoons extra virgin olive oil
3 Italian sausages, removed from their casing
1 heavy pinch red pepper flakes
1/2 medium yellow onion, diced
1 bunch lacinato kale, roughly chopped
2 cloves garlic, minced
1 1lb. ricotta cheese
1 large egg
1 teaspoon dried oregano
1 teaspoon dried basil
1/2 cup Parmesan cheese, grated
1/2 cup Italian parsley, finely chopped
freshly cracked pepper
pinch kosher salt
6-7 cups marinara
1 cup mozzarella cheese, shredded