Bubble Up Breakfast Bake: The Easiest Morning Casserole You'll Make on Repeat

This bubble up breakfast bake is exactly what it sounds like: refrigerated biscuit dough cut into pieces, tossed with scrambled eggs, cooked sausage, and shredded cheese, then baked until everything puffs up and turns golden. The biscuit pieces bubble up through the egg mixture as it bakes, creating a casserole with crispy edges, soft pillowy centers, and cheesy pockets in every bite. It feeds six to eight people, takes about fifteen minutes of hands-on work, and tastes like something you spent much more effort on.

If you have a busy weekend morning coming up, a holiday brunch to host, or a week where you want breakfast handled before Monday even starts, this is the recipe to bookmark.

What You Need

• The ingredient list is short and forgiving.
• Here is what goes into the base recipe:

1 can (16.3 oz) refrigerated biscuit dough, like Pillsbury Grands 1 lb ground breakfast sausage 6 large eggs 1/4 cup milk 1 1/2 cups shredded cheddar cheese 1/2 teaspoon garlic powder 1/2 teaspoon onion powder Salt and black pepper to taste Optional: diced green onions, diced bell pepper, or a pinch of red pepper flakes

You will also need a 9x13 inch baking dish, lightly greased with butter or cooking spray. A large skillet for the sausage, a mixing bowl for the eggs, and a sharp knife or kitchen scissors to cut the biscuits are all you need beyond that.

How to Make It, Step by Step

Preheat your oven to 375°F. While the oven heats, cook the sausage in a skillet over medium heat, breaking it into small crumbles as it browns. Once cooked through, drain any excess grease and set the sausage aside.

Crack your eggs into a large bowl, add the milk, garlic powder, onion powder, salt, and pepper, and whisk everything together until smooth. Open the biscuit can and use scissors or a knife to cut each biscuit into four or six pieces.

Add the biscuit pieces directly into the egg mixture and stir gently to coat them. Fold in the cooked sausage and one cup of the shredded cheese. Pour the whole mixture into your greased baking dish and spread it out evenly. Scatter the remaining half cup of cheese over the top.

Bake uncovered for 28 to 33 minutes, until the top is golden brown and the center is set. You can test the center with a toothpick or the tip of a knife. If it comes out clean, it is done. Let it rest for five minutes before serving so everything holds together when you scoop it out.

Tips That Make a Difference

Do not skip draining the sausage grease. Leaving too much fat in the pan makes the casserole greasy at the bottom, and the egg mixture will not set as cleanly.

Cut the biscuits into smaller pieces rather than quarters if you want more of that bubbly, pull-apart texture throughout. Smaller pieces mean more surface area, which means more golden edges.

If your eggs are setting before the biscuits are fully cooked, tent the dish loosely with foil for the last ten minutes. This happens more in ovens that run hot.

For a crispier top, switch to broil for the last two minutes of baking. Watch it closely because it can go from golden to overdone fast.

Variations Worth Trying

This recipe is a great starting point, and the variations are where things get fun.

Swap the breakfast sausage for diced ham, cooked and crumbled bacon, or even leftover taco meat if you want something with a little southwestern kick. Add diced jalapeños and swap the cheddar for pepper jack to lean into that direction.

For a vegetarian version, skip the meat entirely and add sautéed mushrooms, diced bell peppers, and spinach. Cook the vegetables first to release some of their moisture, or the casserole will turn watery.

Want something a little more indulgent? Stir in a couple tablespoons of cream cheese cut into small cubes before baking. They melt into creamy pockets that make each bite richer.

You can also play with the biscuit flavor. Butter-flavored biscuit dough adds a slightly sweeter base. Homestyle versus Grands will change the texture a bit, with Grands giving you bigger, fluffier biscuit pieces.

Make It Ahead

This casserole is a natural fit for meal prep. You can assemble the whole thing the night before, cover it tightly with plastic wrap, and refrigerate it overnight. Pull it out about twenty minutes before baking to take the chill off, then bake as directed. You may need an extra five minutes in the oven since the dish starts cold.

Leftovers keep well in the fridge for up to four days. Reheat individual portions in the microwave for about ninety seconds, or pop the whole dish back in a 350°F oven for fifteen minutes if you want to revive that crispy top.

For longer storage, slice the cooled casserole into portions, wrap each one individually in foil, and freeze them. They reheat from frozen in the microwave in about three minutes on 50% power, then one minute on full power to finish.

Serving Ideas

This bake is a complete meal on its own, but a few easy additions make it feel more like a spread. Fresh fruit, a simple green salad, or sliced avocado alongside are all easy additions that round out the plate without any extra cooking.

For a brunch table, set out small bowls of hot sauce, sour cream, and salsa so everyone can top their own portion. It makes a casual serve-yourself situation feel a little more special without extra effort on your part.

Frequently Asked Questions