Breakfast is my favorite meal of the day and this breakfast bake makes it even better! You start with simple ingredients like eggs, hash browns, and cheese. After that, you can dress this casserole in a million different ways. Add different meats and veggies to create a fun morning meal your whole family will enjoy! It’s like a quiche but super easy to make. It is warm, filling, and nutritious. It has all the main food group ingredients and is super easy to make. Kids to adults love this recipe and love to have it early morning or in the evening for dinner. It is a hearty and healthy meal everyone loves!

Easy Breakfast Casserole Ingredients

The flavor and texture from these ingredients mixed and then baked makes this breakfast casserole one to remember! It is a savory and hearty breakfast that is filling and keeps you going throughout the day. All the flavors and healthy ingredients combined to have a good day, all day!

Ground sausage – Sauté ground breakfast sausage over medium-high heat until it is browned in the skillet. Spoon excess grease out of the pan before adding the other ingredients. This is a meaty and delicious flavored sausage that we love to have in the egg mixture. Red pepper – Wash and chop the red bell peppers into small cube pieces. These give an extra soft crunch as you are enjoying your casserole for breakfast. Onion – Slice and chop the onion as little or big as you would like. This gives a delicious spice to the casserole. Hash brown potatoes – Either shredded or cubbed hash browns work great for this recipe. We use the frozen kind that is already freeze-dried. Freshly shredded or cubed potatoes will become soft and mushy in the oven with the egg mixture. We have even used tater tots with great results! Cheddar cheese – Shredded sharp cheddar cheese is sprinkled in the easy breakfast casserole. Eggs – This is one of the main ingredients that hold the other ingredients together while baking. Large or medium eggs work best. Milk – The creaminess from the milk fluffs up the eggs while baking.

How to Make Easy Breakfast Casserole

Get ready to have the best breakfast casserole ever! It is so simple to make and baked in an hour. You will have protein, potatoes, vegetables, and an egg mixture covering it altogether. It is the breakfast everyone loves and dreams of every morning!

Tips and Variations for the Best Breakfast Casserole

This recipe is so versatile! Change the meats, potatoes, and veggies, or how you cook them! These helpful tips and variations can make your hearty breakfast casserole even better! Here are some more tips to customize it or make it even easier.

Cooking spray – Make sure you spray your baking dish with cooking spray. The eggs will stick to the bottom if you don’t. Overnight Breakfast Casserole: Make the casserole ahead of time, cover, and keep in the fridge overnight. You can pop it in the oven the next morning and avoid messes! We love doing this for Christmas morning breakfast so we can open presents as the casserole is baking. Baking Tip: In my oven, this bakes up in about 50-60 minutes, but it may vary slightly in other kitchens. If you see that the edges are browning faster than the middle, you can add some tin foil around the edges to keep them from burning. Another way to avoid burning is to turn down the temperature of the oven and allow the casserole to cook a little longer. Potatoes – I like to use frozen hash browns, but you can use any type of potatoes. Sometimes if I don’t want to cook my vegetables, I will use the Potatoes O’Brien mix with peppers and onions. You can also use fresh potatoes, just make sure to slice or dice them thinly so they cook in the right amount of time. Veggies – My favorite veggie combo in this easy breakfast casserole recipe is red bell pepper and onion. However, I’ve used many other combos when I don’t have those on hand. I’ve used broccoli and tomatoes, zucchini and peppers, spinach and mushrooms, green onion or just whatever I have in the fridge. If you use spinach and onion, try using mozzarella, pepper jack cheese or Swiss cheese instead of cheddar – so yummy! Meat – Any breakfast meat tastes great in this breakfast casserole recipe. I like using maple-flavored sausage, but sometimes I use the spicy kind to kick things up a notch. You can also use bacon, pork sausage, ham, beef, chorizo, or no meat at all for a vegetarian option. Slow cooker – If you don’t have time to bake this in the morning, try our Slow Cooker Breakfast Casserole. You can throw in the ingredients the night before, and in the morning you’ll wake up to a delicious, fully-cooked meal! Plus, you don’t have to heat your house with an oven on.

Feeding a Crowd

When I have company, this is my go-to breakfast casserole recipe. It is easy to put together, and you can customize it to fit even the pickiest of eaters. This recipe makes 12 large servings or 15 regular servings. However, I can fit two 9×13 pans in my oven so I can double the recipe and feed up to 30 people! I just make sure to switch the baking pans halfway through, one on the top and one on the bottom. I like to pre-cut slices in the pan to make sure everyone gets a piece.

What to Serve with this Breakfast Casserole Recipe

If we are just eating this at home on a normal morning, I serve this casserole by itself or maybe with some fresh fruit. My kids like to top it with ketchup, and my husband and I usually top it with sour cream and salsa. However, if I am feeding a larger group or a very ravenous group, I will make a sweet breakfast item to round out the meal. Some of my favorites are Banana Chocolate Chip Muffins, Lemon Poppyseed Muffins, and Caramel Monkey Bread. Try some of these yummy sides:

Storing and Making Ahead Easy Breakfast Casserole

Turn this into a make-ahead breakfast casserole! You can make it the day before and refrigerate, or freeze it and make it anytime. Also, you can store any leftovers in an airtight container and refrigerate them. They heat up great in the microwave!

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Prep the Day Before

Save some time in the morning by making up this casserole the day before you plan to serve it. Follow the first 3 steps in the instructions, then cover the baking dish with plastic wrap and refrigerate. Remove the casserole from the fridge 30 minutes before baking, then bake for an hour or until a toothpick or knife inserted in the center comes out clean.

Freezing Instructions

To freeze, follow all the directions in the recipe below, and then cover the cooled casserole tightly with a layer of plastic wrap, then a layer of aluminum foil to prevent freezer burn. You can also store the same way in individual portions so you can heat one serving at a time. Store in the freezer for up to 2 months. To cook from frozen, thaw it in the refrigerator overnight, then bake at 350 degrees for 30-40 minutes or until heated through. If heating individual portions, thaw and microwave or oven bake until heated through. There’s something so comforting about knowing there’s a delicious breakfast option in the freezer, just waiting to be heated and served. READ NEXT: 33+ Breakfast Ideas

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