A cheesy, crowd-pleasing baked ziti packed with roasted vegetables and spinach. A comforting vegetarian pasta casserole perfect for weeknights or gatherings.
12 oz ziti pasta
1 zucchini, chopped
1 red bell pepper, chopped
1 cup mushrooms, sliced
2 cups fresh spinach
1 small onion, diced
2 cloves garlic, minced
2 cups marinara sauce
1½ cups ricotta cheese
1 egg (optional)
2 cups shredded mozzarella cheese
1/2 cup grated Parmesan cheese
2 tbsp olive oil
1 tsp Italian seasoning
Salt and black pepper, to taste
Preheat oven to 425°F. Roast zucchini, peppers, and mushrooms with olive oil, salt, pepper, and Italian seasoning for 20 minutes.
Cook ziti in salted water until al dente. Drain.
In a skillet, sauté onion and garlic in olive oil. Add spinach and cook until wilted.
In a bowl, mix ricotta, Parmesan, egg (optional), salt, and pepper.
In a large bowl, combine pasta, roasted veggies, spinach mixture, half the mozzarella, and half the marinara. Fold in half of the ricotta mix.
Layer pasta mixture and remaining sauces and cheeses in a greased 9×13 baking dish.
Cover with foil and bake at 375°F for 20 minutes. Remove foil and bake 10–15 more minutes until bubbly.
Let rest 10 minutes before serving.
Use any vegetables on hand like eggplant or squash.
Substitute with gluten-free pasta if needed.
Make ahead and refrigerate up to 1 day before baking.