11 Vegetarian Dinner Casseroles in Three Steps or Less

A cozy, cheesy casserole is classic comfort food. We amped up the nutrition by including plenty of nourishing veggies. Black beans provide powerful plant-based protein while the sweet potatoes offer up a healthy dose of vitamin A, an antioxidant important for vision and immunity.

This easy egg casserole is filled with spring green vegetables and rustic whole-grain bread. It's perfect for a healthy vegetarian dinner or a springtime brunch. You can assemble it the night before and bake it in the morning when you're ready.

This broccoli-quinoa casserole makes a hearty vegetarian main dish. As the quinoa absorbs water and cooks, it creates the perfect amount of steam for cooking the broccoli. The broccoli is crisp-tender and adds texture to contrast with the creamy, cheesy quinoa. Swap in tricolor quinoa, if you prefer.

Tomatoes and briny feta cheese form the base of the sauce that coats the pasta in this easy one-pan meal. Enjoy on its own as a vegetarian dinner or top with grilled chicken for some extra protein.

This cauliflower casserole is inspired by nachos and stuffed with tender roasted cauliflower, sweet red pepper and brown rice. Salsa helps bind the ingredients together, along with melted cheese. Crushed tortilla chips on top add crunch. Serve with the suggested garnishes, or add your own favorite toppings to complete the dish.

This one-pan recipe is the casserole version of spanakopita! It's hearty enough to enjoy as a vegetarian lunch or dinner, yet versatile enough to serve alongside just about any protein. To make it extra creamy, top each serving with a dollop of sour cream.

Think of this vegetarian enchilada casserole as a veggie-packed Mexican-inspired lasagna with corn tortillas standing in for the noodles! If your peppers are mild and you like heat, opt for spicy pico de gallo. This easy vegetarian dinner recipe is sure to become a new family favorite.

This is the macaroni and cheese recipe that would have been made in the kitchens at Thomas Jefferson's Monticello. Jefferson first became familiar the creamy, cheesy baked dish of macaroni from his time in Paris and it was enslaved cooks, James Hemings, Peter Hemings, Edith Hern Fossett and Frances Gillette Hern, who prepared this favorite dish over the years. The popularization of this iconic American dish can be traced to Black cooks, like Peter Fossett (the freed son of Edith Hern Fossett), Rufus Estes and Freda De Knight, who helped spread the dish throughout the United States. Learn more about Macaroni and Cheese at Monticello.

This ooey-gooey dish has baked-pasta vibes but features protein-packed beans instead of noodles. Look for dried corona beans, a larger, creamy white bean, at natural-foods stores or online. Cannellini are a good substitute. Serve with a green salad and toasted baguette.

This cheesy tortellini bake is a dish the whole family will love--it's filled with sweet-tasting marinara, mushrooms and spinach and topped with melted cheese. Complete the meal, plus get in another vegetable serving, by adding a side of broccoli or a small green salad.

Cherry tomatoes and mushrooms bake along with goat cheese to form the base of the sauce that cooks the pasta right in the baking dish—no stovetop required.