Egg Bake Recipe with Chicken Sausage: One-Pan Protein-Packed Breakfast Casserole

This egg bake recipe with chicken sausage transforms a lazy Sunday morning into a hearty, protein-packed meal that feeds a crowd. 💛 I developed it after realizing my triple-decker kitchen couldn't handle multiple dishes on busy mornings—one pan, minimal prep, and maximum flavor. The chicken sausage adds savory depth while keeping it lighter than traditional breakfast casseroles, and the eggs bind everything into a golden, crispy top layer that's impossible to resist.

The beauty of this dish lies in its simplicity: 30 minutes of prep followed by 25 minutes in the oven means breakfast is ready when you wake up. Shredded cheese melts into a creamy blanket, while hash browns add satisfying texture. I've tested this recipe with both pre-cooked and raw sausage—both work, but pre-cooked gives you more control over doneness. The key is letting it rest for 10 minutes before serving, which keeps everything cohesive when you cut into those perfect squares.

What you'll end up with is a protein-packed breakfast casserole that's rich enough for brunch but light enough for a weeknight dinner. The sausage infuses the eggs with smoky flavor, while the cheese creates a golden crust that's crispy on top and creamy inside. It reheats beautifully too, making it perfect for meal prep—just pop it in the oven when you're ready to eat. This is the kind of dish that makes you want to linger at the table, even on busy mornings.

Serve with a simple side salad or toast for a complete meal, or enjoy it as-is when you're short on time. The leftovers keep well for up to 3 days, and the flavors actually improve as the components meld together. Trust me on this one: once you try this egg bake, you'll never go back to basic scrambled eggs again.

Ingredients for egg bake recipe with chicken sausage

Pantry staples meet protein-packed breakfast magic in one pan—no fancy ingredients, just big flavor.

The chicken sausage is where all the savory goodness starts. Pre-cooked links save time and give you perfect doneness—no guessing. Jimmy Dean or Hillshire Farm are my go-tos, but any good-quality chicken sausage works. Slice them into 1/2-inch rounds so they cook evenly. If you're using raw sausage, cook it first and drain well. The hash browns? Ore-Ida Golden Crinkles are my secret weapon—they crisp up perfectly without getting mushy. Grab a bag of frozen ones and skip the thawing step entirely.

No pre-cooked sausage? Cook your own—just brown them in a pan first. Short on bell peppers? Spinach or zucchini work too, but they'll cook down more. The cheese is non-negotiable for that golden crust, but Monterey Jack or pepper jack add a nice twist. For extra richness, swap half the milk for heavy cream. The garlic powder might seem small, but it's what ties all the flavors together—don't skip it. And if you're feeling fancy, add a dash of smoked paprika to the sausage mix for extra depth.

This reheats like a dream—just pop it in the oven at 350°F for 15-20 minutes until bubbly. Keeps for 3 days in the fridge, or freeze portions for 2 months. I always make a double batch—one for breakfast, one for dinner leftovers. The flavors actually get better as everything melds together. Store it covered, and let it sit at room temp for 5 minutes before serving so it's not too hot to cut.

Step-by-step instructions for one-pan chicken sausage breakfast casserole

Here's how to assemble this protein-packed breakfast in just one pan—no fancy skills required.

Heat a large oven-safe skillet over medium heat and add the 2 tablespoons olive oil. Once hot, add the 12 whole chicken sausage links (sliced into rounds) and cook for 3-4 minutes until lightly browned. Remove the sausage and set aside.

In the same skillet, add the 1 cup diced onions and 1.5 cups diced bell peppers. Sauté for 5-6 minutes until the onions become translucent and the peppers soften. You want them to release their moisture but still retain some bite. Here's the thing—don't overcrowd the pan or they'll steam instead of brown.

In a large bowl, whisk together the 8 whole large eggs, 0.5 cup milk, 2 tablespoons all-purpose flour, 1 teaspoon salt, 0.5 teaspoon black pepper, and 0.5 teaspoon garlic powder until completely combined. The flour helps create that golden, crispy top layer we all love. I like to beat this vigorously for about 30 seconds to make sure everything's well incorporated.

Gently fold in the cooked sausage, sautéed vegetables, and 1.5 cups frozen hash browns into the egg mixture. Be careful not to break up the hash browns too much—we want them to stay shredded for that perfect texture. The mixture should look thick but pourable. If it's too thick, add a splash of milk to loosen it up.

Pour the entire mixture into the skillet (no need to grease it first—the sausage and veggies already have oil) and spread it out evenly. Sprinkle the remaining 2 cups shredded cheddar cheese evenly over the top. Pop the skillet into a preheated 375°F oven and bake for 25-30 minutes.

You'll know it's done when the top is golden brown and the center is just set—no longer runny when you jiggle the pan. The cheese should be bubbly and slightly crispy on top. Here's a pro tip: If the top starts browning too quickly, tent it loosely with aluminum foil to prevent burning while it finishes cooking.

Remove the casserole from the oven and let it rest for 5 minutes before serving. This resting time allows the eggs to fully set and makes it easier to slice. The casserole will be hot and the cheese will be gooey—perfect for cutting into hearty portions.

Garnish each serving with 0.25 cup chopped fresh parsley right before serving. The parsley adds a fresh pop of color and brightens up the rich, cheesy flavors. Serve immediately while it's still warm and the cheese is at its melty best. This dish reheats beautifully too, so it's perfect for meal prep.

Wine and beer pairings for egg bake recipe with chicken sausage

Crisp White Wine

An Albariño from Spain or a Pinot Grigio from Italy cuts through the richness beautifully. The bright acidity and citrus notes of these whites refresh your palate between bites of the cheesy, savory casserole. I keep a bottle of Rías Baixas Albariño on hand specifically for brunch—it's my go-to for any dish with eggs and cheese. 🍷

Light Red Options

If you prefer red, go for something light and fruity like a Pinot Noir from Oregon or a Chianti from Tuscany. The earthy notes complement the sausage while the acidity balances the cheese. Avoid heavy reds like Cabernet—they'll overpower the delicate flavors. My favorite is a Willamette Valley Pinot Noir with its bright cherry notes.

Craft Beer Pairings

A crisp American lager like Bud Light or Coors Banquet works surprisingly well—it cleanses the palate without competing. For something more interesting, try a Belgian witbier with its citrusy, spiced profile. The coriander notes in these beers actually enhance the sausage flavors. I've been known to sneak a Hoegaarden into my brunch spread when I'm feeling fancy.

Coffee or Tea

Black coffee is a classic choice for breakfast casseroles, but I prefer a robust espresso or a chai latte with its spiced warmth. Herbal teas like peppermint or hibiscus also pair well—they cut through the richness without overpowering. Pro tip: Add a splash of heavy cream to your coffee to match the dish's creamy texture.

Non-Alcoholic Options

For a refreshing non-alcoholic pairing, try sparkling apple cider or ginger beer. The bubbles help cleanse your palate between bites. I also love a cold brew coffee** with a splash of milk—it's the perfect balance of bold and creamy. Don't underestimate a simple lemonade with mint either; the brightness contrasts beautifully with the rich casserole.