Can I make Tater Tot Breakfast Casserole the night before?

Yes, but keep the frozen potato tots separate until baking time for the best texture. Cook the sausage and vegetables first, then refrigerate them and the whisked egg mixture separately for up to 24 hours. The next morning, assemble everything in your baking dish and bake at 375°F until the center reaches 160°F. Allow a little extra time if your ingredients are cold.

Why is my breakfast casserole watery in the middle?

Excess moisture from vegetables or undercooked sausage can collect beneath the eggs. Cook the peppers and onions for 4 to 6 minutes after adding them to the browned meat and drain the skillet well. If the center still looks wet after 45 minutes, continue baking at 375°F in 5-minute intervals until the egg filling reaches 160°F.

Can I use fresh potatoes instead of frozen potato tots?

Yes, but fresh potatoes need some preparation before they go into the casserole. Dice about 1.5 pounds of peeled Yukon Gold potatoes into 1/2-inch cubes and roast at 425°F for 20 to 25 minutes until tender and lightly golden. Then use them in place of the frozen tots and bake the assembled casserole at 375°F until the eggs reach 160°F. The topping will be less crisp.

Can I double this breakfast casserole for a crowd?

Yes. Double every ingredient and use two separate 9x13-inch baking dishes rather than one deeper pan. Bake both at 375°F and switch their oven rack positions halfway through to help them heat evenly. Start checking after 40 minutes and continue until both centers reach 160°F. This gives you approximately 16 portions for a family brunch or holiday gathering.

How long does leftover tater tot casserole last in the refrigerator?

Store leftovers in shallow airtight containers and refrigerate within 2 hours of baking. They'll keep for 3 to 4 days when your refrigerator stays at 40°F or below. Divide the casserole into individual portions before storing so you can reheat only what you need. Discard leftovers that have spent more than 2 hours at room temperature.

Can I freeze and reheat individual casserole slices?

Yes. Cool the casserole promptly and freeze individual portions in airtight freezer-safe containers or tightly wrapped packages. Use them within 2 months for the best flavor and texture. Thaw overnight in the refrigerator and reheat at 350°F for approximately 15 to 20 minutes until the center reaches 165°F. The potato topping may soften slightly after freezing.

What should I serve with this cheesy breakfast casserole?

Fresh fruit makes a great side because it balances the rich sausage and cheddar. Try a bowl of berries or orange slices alongside each serving. For a larger brunch, add Fluffy Buttermilk Pancakes from Scratch and prepare them while the casserole rests for 10 minutes. You'll have a mix of savory and sweet dishes without needing another egg recipe.

Tater Tot Breakfast Casserole

Description

Need easy breakfast ideas that feed the whole family? This quick and simple casserole layers golden potato tots with savory sausage, fluffy eggs and sharp cheddar for the best mix of crispy edges and a soft center. What makes this version different is the way the frozen tots sit above the egg filling, so their tops turn crisp instead of soggy. It’s a hearty choice for holiday brunch, weekend meal prep or a potluck. Add fresh fruit for a Search focus: breakfast casserole.

Ingredients

Scale

24 ounces frozen potato tots (Keep frozen until assembly so the pieces hold their shape and form a crisp golden topping.)
12 ounces pork breakfast sausage (Use raw bulk breakfast sausage and break it into small crumbles while browning for a savory filling.)
8 large large eggs (Whisk thoroughly to create the soft protein-rich base that holds the casserole together.)
1 cup whole milk (Blend with the eggs for a tender filling without the heavier texture of cream.)
2 cups sharp cheddar cheese (Shred and divide between the filling and topping to add rich flavor and golden melted patches.)
1/2 cup red bell pepper (Dice into roughly 1/4-inch pieces and soften with the sausage for sweetness and bright color.)
1/2 cup yellow onion (Dice finely and cook until translucent to add savory sweetness without crunchy raw pieces.)
1 tablespoon unsalted butter (Use to grease the baking dish so the egg filling releases more easily after baking.)
1 teaspoon fine sea salt (Whisk into the eggs to season the filling evenly, especially beneath the salty cheddar.)
1/2 teaspoon black pepper (Freshly grind and blend into the eggs for mild warmth throughout the casserole.)

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Instructions

Set a large skillet over medium heat at about 5 on a 10-point dial. Add 12 ounces of raw pork breakfast sausage and break it into small crumbles. Let it brown for 4 minutes and then add 1/2 cup diced red bell pepper and 1/2 cup diced yellow onion. Stir and cook for another 4 to 6 minutes until the pork has no pink spots. Check that it reaches 160°F. Drain off excess fat while leaving the browned bits in the skillet. Don’t rush this part because those bits add a lot of flavor. Next, look for deep golden edges on the sausage and soft peppers with a slight shine. The onion should smell sweet. If you keep cooking after the meat has browned, the small crumbles may turn dry. Stop once the pork reaches 160°F because the eggs will bake around it later.
Crack 8 large eggs into a large mixing bowl. Pour in 1 cup whole milk and add 1 teaspoon fine sea salt along with 1/2 teaspoon freshly ground black pepper. Whisk for 60 to 90 seconds using quick back-and-forth strokes that reach the bottom of the bowl. Keep the mixture cool at about 65°F to 70°F while you work. You’ll see the yolks blend into a pale yellow liquid with small bubbles across the top. Make sure no clear egg white streaks remain. Then let the egg mixture stand for 2 minutes while you get the other ingredients set. If you stop whisking too soon, the whites can bake into pale streaks. Don’t beat it until thick foam forms. A smooth mix helps the Tater Tot Breakfast Casserole set evenly.
Heat the oven to 375°F. Use 1 tablespoon unsalted butter to grease a 9×13-inch baking dish and spread the browned sausage mixture across its base. Pour the whisked eggs over the meat and then scatter 1 cup shredded sharp cheddar across the wet filling. Arrange 24 ounces of frozen potato tots loosely over the top so most pieces sit above the egg mixture. Finish with the last 1 cup of sharp cheddar in uneven patches. Work for about 4 to 5 minutes and keep the tots frozen until you add them. Next, check that the potato tops are still exposed and the egg mixture sits below them. A few gaps are fine. Pressing the frozen tots into the liquid can leave them soft instead of crisp. Keep the top loose so dry heat can reach the potatoes.
Place the filled baking dish on the middle rack of the 375°F oven. Bake uncovered for 40 to 45 minutes so the eggs set beneath the potato topping while the exposed tots turn golden. Check at minute 40 by placing a food thermometer in the thickest part of the egg filling without touching the dish. Look for at least 160°F in the center. If the middle still looks wet, bake in 5-minute rounds until it reaches the right heat. Watch the cheddar near the edges so it doesn’t get too dark. Meanwhile, the tops should turn deep golden with small crisp ridges and the cheese should show amber spots. The center won’t slosh when you move the dish. (I wouldn’t raise the heat to 400°F just to brown the top faster.) Too much heat can dry the edges before the eggs set. Keep the oven at 375°F for steady heat through the filling.
Remove the casserole from the oven once the egg center reaches at least 160°F. Let it rest uncovered for 10 minutes so the hot filling can firm up before cutting. Then divide the 9×13-inch casserole into 8 portions with a straight cut down the middle followed by 3 crosswise cuts. Lift one portion onto a white dinner plate and keep the cut side facing out. The potato tots should hold together above the thick egg layer while a few cheese strands stretch at the edge. Finally, look for a soft pale yellow center dotted with sausage and red pepper. The top should still show crisp amber spots. Cut too early and the slices may break apart. Resting helps the eggs hold their shape.

Notes

Pro Tips:

Keep all 24 ounces of potato tots frozen until you’re ready to assemble. Thawed tots absorb more egg mixture and can lose their crisp edges.
Shred 2 cups of sharp cheddar from a block if possible. Freshly shredded cheddar usually melts more smoothly than packaged shreds with anti-caking ingredients.
Use a 9×13-inch baking dish that’s at least 2 inches deep. A smaller dish makes the egg filling thicker and may require additional baking time.
Drain the browned sausage before layering it with the eggs. Removing excess fat helps prevent greasy pockets from collecting beneath the potato topping.
Bake the casserole on the middle oven rack at 375°F. This position helps the egg filling heat through while the exposed potato tops turn golden.
Check the center with an instant-read thermometer after 40 minutes. The egg filling needs to reach 160°F before you remove the casserole.
Sprinkle an extra pinch of freshly ground black pepper over each serving if you like a stronger savory finish. Start with about 1/16 teaspoon per portion.
For Tater Tot Breakfast Casserole with slices that hold together, allow 10 minutes of resting before cutting. The egg filling firms as it cools slightly.

Storage: Let the casserole cool slightly and divide it into shallow airtight containers within 2 hours of baking. Keep refrigerated at 40°F or below for up to 3 to 4 days. For longer storage, wrap individual slices tightly and place them in freezer-safe containers. Freeze at 0°F for up to 2 months for the best quality. Label each container with the date so you know when to use it. To reheat refrigerated Tater Tot Breakfast Casserole, place a portion in a baking dish and cover loosely with foil. Warm at 350°F for about 15 to 20 minutes until the center reaches 165°F. Remove the foil near the end to help the topping crisp. For frozen portions, thaw overnight in the refrigerator first. Discard leftovers with mold, an unusual odor or a slimy texture. Don’t rely on smell alone to judge food safety.

Prep Time: 15 minutes
Cook Time: 55 minutes
Category: Breakfast
Cuisine: American

Nutrition

Serving Size: 1 serving