This vegetarian "no-boil" casserole features layers of frozen cheese ravioli, black beans, pinto beans, and corn, all smothered in a savory blend of salsa and taco sauce. Topped with cheddar cheese, it bakes into a bubbly, satisfying dish with minimal prep, perfect for a hearty and convenient weeknight meal.
Since the ravioli are frozen and not boiled, ensure they are well-submerged in the sauce to cook thoroughly and absorb flavor; a splash of vegetable broth can help if the sauce is too thick. For an enhanced taco profile, consider adding a tablespoon of taco seasoning to the bean and sauce mixture, or even a pinch of smoked paprika. While cheddar is good, a Mexican cheese blend will elevate the flavor and melt better. For presentation and a fresh finish, garnish with fresh cilantro, a dollop of sour cream or Greek yogurt, and a squeeze of lime juice. Using a 9x13 inch baking dish is ideal. Covering the casserole for the first 20-25 minutes of baking helps steam the ravioli, preventing them from drying out, then uncover to brown the cheese.