Main dish casserole recipes first started to become hugely popular in the mid-1900s, but people have actually been baking casseroles for thousands of years.
Some of the best dinner casseroles are cheesy and full of savory flavor, but some of our favorite casserole ideas are for breakfast casseroles. Enjoy this definitive list of the 51 best casserole recipes.
This casserole is made with penne pasta, tomato sauce, diced tomatoes, Parmesan cheese, and Mozzarella cheese. The bell pepper, mushrooms, and onions bring in flavor by the fork-fulls.
What makes this casserole so magical is that it only has three simple ingredients. Green beans, condensed cream of mushroom soup, and french fried onions are all you need.
Here’s the best part. Once this casserole is baked, it freezes beautifully, so you can actually make this breakfast casserole in advance to pull out for a relaxing morning.