Ravioli and Sausage Lasagna

Name: Ravioli and Sausage Lasagna
Prep time: 20 min
Cook time: 65 min
Total time: 65 min
Yield: 6
Ingredients: Ingredients; 1 pound ground mild Italian sausage; 1 pound package of cheese ravioli; 1 tablespoon extra virgin olive oil; 1 (24-ounce) jar of vodka sauce; 8 ounces of shredded whole milk mozzarella cheese; ¼ teaspoon crushed red pepper flakes (optional); ¼ cup grated parmesan cheese; 1 tablespoon chopped fresh parsley