Ingredients
- 1 28-ounce can whole peeled tomatoes
- 2 tablespoons olive oil
- 2 cloves garlic, chopped
- kosher salt and black pepper
- 1/2 pound rigatoni
- 1 red onion, sliced
- 1 pound mixed mushrooms (such as cremini, button, and shiitake), trimmed and sliced
- 2 10-ounce packages frozen spinach, thawed and squeezed of excess liquid
- 1 15-ounce container ricotta
- 8 ounces mozzarella, grated
- grated Parmesan, for serving
