I remember the first time I baked this sausage and egg casserole: it filled the kitchen with a warm, savory scent and fed a crowd without any last-minute fuss. This dish is a straightforward, comforting casserole of cooked sausage folded into an egg and milk custard, studded with bread and vegetables if you like, then stashed with melted cheese on top. It’s the kind of recipe people turn to for busy weekend brunches, simple weeknight dinners, or to feed a hungry crew after a morning of activities. If you want to prep the night before, try an overnight sausage and egg casserole version for hands-off convenience.

Why you’ll love this dish

This casserole is fast, forgiving, and crowd-pleasing. It combines protein, dairy, and optional bread or veg into a one-dish meal that reheats beautifully. It’s budget-friendly and flexible, so you can use what’s in your fridge and still get a satisfying result. Make it for a casual brunch, a potluck, or a simple family dinner when you want something warm and filling without a lot of fuss.

"A real weekender winner: easy to assemble, bakes up golden, and everyone asks for seconds."

The cooking process explained

Before you start, here is a quick overview so you know what to expect. You brown the sausage, whisk eggs and milk to make a custard, layer the cooked meat with optional bread cubes and vegetables in a greased dish, pour the egg mixture over everything, top with shredded cheese, and bake until set and golden. Total hands-on time is about 15 to 20 minutes, and bake time is roughly 30 to 35 minutes.

What you’ll need

• 1 pound sausage
• 6 eggs
• 1 cup milk (whole or 2 percent works well)
• 2 cups shredded cheese (cheddar or your favorite melting cheese)
• 1 cup bread cubes optional (day-old bread absorbs the custard best)
• 1 cup diced vegetables optional (bell pepper, onion, or spinach are good choices)
• Salt and pepper to taste

Notes and substitutions:

• Use plant-based milk and a vegan sausage plus dairy-free cheese to make a vegan-friendly swap.
• If you skip bread, the casserole will be more custardy and dense.
• Dice vegetables small so they cook through during baking.

How to prepare it

1. Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish or a similar-sized pan.
2. Heat a skillet over medium. Add the sausage and cook until nicely browned, breaking it up as it cooks. Drain any excess fat.
3. In a large bowl, whisk the eggs with the milk and season with salt and pepper. Whisk until blended and slightly frothy.
4. Spread the cooked sausage in the bottom of the prepared dish. Scatter bread cubes over the meat if using, then sprinkle the diced vegetables across the top.
5. Pour the egg and milk mixture evenly over the layers so the custard soaks the bread. Finish by sprinkling the shredded cheese over everything.
6. Bake for 30 to 35 minutes, until the casserole is set in the center and the top is golden. A knife inserted into the center should come out mostly clean.
7. Let the casserole rest for 5 to 10 minutes before cutting and serving so it firms up.

Best ways to enjoy it

This casserole is versatile on the plate. Serve slices with a simple green salad for brightness, roasted potatoes for an extra hearty meal, or fresh fruit to cut the richness. For brunch, pair it with warm toast and a lightly dressed greens. For a cozy weeknight, serve it with steamed vegetables or a grain salad.

Storage and reheating tips

Cool the casserole to room temperature within two hours of baking. Store leftovers in an airtight container in the refrigerator for up to four days. To reheat, warm individual portions in the microwave for one to two minutes until heated through, or reheat a larger piece in a 350°F oven for 10 to 15 minutes. To freeze, wrap cooled portions tightly or place slices in a freezer-safe container for up to three months. Thaw overnight in the refrigerator before reheating.

Food safety note: Reheat until the center reaches about 160°F to ensure eggs are fully heated through.

Pro chef tips

• Use day-old bread for bread cubes so they absorb the custard without turning mushy.
• Brown the sausage well for flavor. The caramelized bits add depth to the custard.
• If your vegetables release a lot of moisture, sauté them briefly before layering so the final casserole is not watery.
• Let the casserole rest after baking; it firms up and slices cleaner.
  For another approach and inspiration, check out a slightly different sausage and egg casserole that swaps mix-ins and sizing for families of varying sizes.

Flavor swaps

• Swap cheddar for Monterey Jack or a mild Swiss for a creamier melt.
• Add herbs such as chopped chives, parsley, or thyme to brighten the flavor.
• Make a spicy version by stirring in chopped jalapeno or a pinch of cayenne to the egg mixture.
• For a vegetable-forward take, double the diced vegetables and skip the bread for a lighter, more custard-like bake.

Helpful answers

How long does it take to prep and bake?

Active prep is about 15 to 20 minutes. Baking takes 30 to 35 minutes. Allow an extra 5 to 10 minutes for resting before slicing.

Can I make this ahead of time?

Yes. Assemble the casserole, cover it tightly, and refrigerate overnight. Bake it the next morning, adding a few extra minutes to the bake time if it is cold from the fridge.

Is it safe to freeze and reheat?

Yes. Freeze fully cooled, wrapped portions for up to three months. Thaw in the refrigerator overnight and reheat in the oven or microwave until piping hot.

Can I use different types of sausage?

You can use any cooked sausage you prefer. Just choose varieties you enjoy and brown them well for best flavor.

Sausage and Egg Casserole

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A comforting and crowd-pleasing casserole made with sausage, eggs, milk, and cheese, perfect for brunch or dinner.

• Prep Time: 20 minutes
• Cook Time: 35 minutes
• Total Time: 55 minutes
• Yield: 8 servings 1x
• Category: Brunch
• Method: Baking
• Cuisine: American
• Diet: Omnivore

Ingredients

Scale 1x2x3x

• 1 pound sausage
• 6 eggs
• 1 cup milk (whole or 2 percent)
• 2 cups shredded cheese (cheddar or your favorite melting cheese)
• 1 cup bread cubes (optional)
• 1 cup diced vegetables (optional, e.g., bell pepper, onion, or spinach)
• Salt and pepper to taste

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Instructions

1. Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
2. Heat a skillet over medium heat, add the sausage, and cook until browned, breaking it up as it cooks. Drain excess fat.
3. In a large bowl, whisk eggs with milk and season with salt and pepper.
4. Spread the cooked sausage in the bottom of the prepared dish, scatter bread cubes and vegetables over the meat if using.
5. Pour the egg mixture evenly over the layers and top with shredded cheese.
6. Bake for 30 to 35 minutes until set and golden; a knife should come out mostly clean.
7. Let it rest for 5 to 10 minutes before cutting and serving.

Notes

Use plant-based milk and vegan sausage for a dairy-free version. Sauté vegetables briefly if they release moisture.

Nutrition

• Serving Size: 1 slice
• Calories: 350
• Sugar: 2g
• Sodium: 500mg
• Fat: 20g
• Saturated Fat: 8g
• Unsaturated Fat: 8g
• Trans Fat: 0g
• Carbohydrates: 15g
• Fiber: 1g
• Protein: 25g
• Cholesterol: 210mg