When the weekend rolls around, I find myself dreaming of cozy breakfasts that warm the heart and nourish the soul. Enter the Cheesy Denver Breakfast Casserole—a dish that effortlessly combines comfort and flavor in one delightful bite. The first time I made this, I was surprised by how easily it transformed a casual morning into a special occasion.
Imagine the aroma of sharp cheddar cheese melting into a symphony of ham, scallions, and bell peppers, filling your kitchen with a savory invitation that beckons everyone to gather around the table. With a preparation time of just 25 minutes and an oven doing most of the work, this casserole is perfect for lazy Sundays or impromptu brunches with friends.
It’s rich, it’s filling, and best of all, it’s endlessly versatile—feel free to toss in your favorite veggies or switch up the proteins. Topped with a sprinkle of hot sauce for that extra kick, this dish is guaranteed to impress even the pickiest eaters. So grab your ingredients and let’s get cooking!
Why is Cheesy Denver Breakfast Casserole a Must-Try?
Easy preparation makes this casserole a breeze to whip up; just a few minutes of assembly and your oven does the rest! Flavor-packed goodness shines through with layers of sharp cheddar, savory ham, and colorful peppers, creating a comforting dish. Perfect for gatherings, it serves up to 10 people, making it ideal for brunch with family or friends. Customizable to suit your taste, add your favorite veggies or switch the meat for a unique twist! Enjoy a warm, hearty breakfast that will keep everyone satisfied and coming back for more.
Cheesy Denver Breakfast Casserole Ingredients
For the Casserole
- Cooking spray – A quick mist ensures nothing sticks to your baking dish.
- Sharp cheddar cheese (12 ounces) – The rich flavor creates a gooey texture that melts beautifully.
- Boneless ham steak (12 ounces) – This adds hearty protein; you can substitute with turkey or a meat-free option for variety.
- Medium bell pepper (1) – A pop of color and flavor; feel free to use any variety you like!
- Medium scallions (4) – These add a mild onion taste; green onions work as a perfect substitute.
- Frozen shredded potatoes (16 ounces) – A convenient base that saves you from peeling and grating!
- Large eggs (12) – These bind everything together for a fluffy texture.
- Whole milk (2 cups) – Adds creaminess; almond milk can be substituted for a lighter option.
- Dijon mustard (1 tablespoon) – A flavorful kick that complements the richness of the dish.
- Kosher salt (1 teaspoon) – Essential for enhancing flavors; adjust to your taste!
- Freshly ground black pepper (1/2 teaspoon) – A touch of spice to balance the sweetness.
- Hot sauce (optional) – For those who like a bit of heat; it elevates the Cheesy Denver Breakfast Casserole!
These ingredients come together to create a scrumptious start to your day—enjoy the delightful combinations!
How to Make Cheesy Denver Breakfast Casserole
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Preheat your oven: Start by arranging a rack in the middle of the oven and preheating it to 375°F. This step ensures an even baking experience for your casserole.
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Prepare the dish: Lightly coat a 9×13-inch baking dish with cooking spray to prevent sticking. This will help you serve up those cheesy slices easily!
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Grate the cheese: Grate 12 ounces of sharp cheddar cheese and place 2 cups in a large mixing bowl. The aroma of freshly grated cheese is simply irresistible!
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Cube the ham: Dice 12 ounces of boneless ham steak and add it to the cheese bowl. The hearty addition of ham creates a wonderful savory flavor in your casserole.
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Slice the scallions: Thinly slice 4 medium scallions and toss them into the bowl. Their bright green color provides a lovely contrast and a mild onion taste.
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Chop the bell pepper: Cut 1 medium bell pepper into small dice and mix it in with the other ingredients. Feel free to use your favorite color bell pepper for a fun twist!
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Add the potatoes: Toss in 1 (16-ounce) package of frozen shredded potatoes, breaking up any clumps. Combine everything well, then transfer the mixture to the baking dish, spreading it into an even layer.
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Make the egg mixture: In the same bowl, add 12 large eggs, 2 cups of whole milk, 1 tablespoon of Dijon mustard, 1 teaspoon of kosher salt, and 1/2 teaspoon of black pepper. Whisk until it’s well combined—this mixture is the magic that binds it all together!
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Combine and sprinkle: Pour the egg mixture evenly over the potato and meat mixture, and sprinkle the remaining cheese on top. This ensures every bite is cheesy goodness.
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Bake and cool: Bake in the oven until the top is light golden-brown and a knife inserted in the middle comes out clean, which takes about 1 hour to 1 hour and 10 minutes. Let it cool for 5 minutes before slicing.
Optional: Drizzle with hot sauce before serving for an extra kick!
Exact quantities are listed in the recipe card below.
Expert Tips for Cheesy Denver Breakfast Casserole
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Cheese Varieties: Experiment with different cheeses like Gouda or Monterey Jack for varied flavors in your Cheesy Denver Breakfast Casserole.
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Ingredient Substitutions: Don’t hesitate to swap ham for turkey or tofu; this makes the dish lighter or vegetarian-friendly without losing taste.
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Prevent Sogginess: Make sure to thaw and drain any excess moisture from frozen potatoes. This avoids a soggy bottom crust and keeps your casserole fluffy.
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Baking Time Awareness: Ovens can vary; keep an eye on your casserole as it bakes, especially after the 1-hour mark, to avoid overcooking.
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Serving Suggestions: For a gourmet touch, serve with fresh herbs or a side of fruit to balance the rich flavors of the casserole.
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Leftover Storage: Store leftovers in an airtight container in the fridge; it reheats beautifully for a quick breakfast during busy days!
Cheesy Denver Breakfast Casserole Variations
Feel free to get creative and make this dish your own with these fun tweaks!
- Vegetarian: Swap the ham for black beans or diced mushrooms to keep it hearty and satisfying without the meat.
- Spicy Kick: Add diced jalapeños or a pinch of cayenne pepper for a zesty spin that’ll wake up your taste buds!
- Herb Infusion: Toss in fresh herbs like parsley or cilantro to brighten the flavor profile. They provide a wonderful freshness that’s irresistible.
- Sweet Potato Twist: Substitute regular potatoes with shredded sweet potatoes for a nutritious and slightly sweet alternative.
- Mixed Cheese Medley: Combine different cheeses such as mozzarella, feta, or pepper jack for a delightful array of flavors and textures.
- Breakfast Sausage: Use cooked sausage instead of ham for a classic breakfast flavor that will delight meat lovers.
- Gluten-Free: Ensure all ingredients are gluten-free, or use gluten-free bread cubes instead of potatoes for a unique twist.
- Nutty Crunch: Top with toasted breadcrumbs or crushed nuts before baking for an extra layer of texture and a satisfying crunch.
With these variations, you’ll never make the same casserole twice—each bite is an adventure waiting to be savored!
Make Ahead Options
These Cheesy Denver Breakfast Casserole ingredients are perfect for meal prep! You can combine the shredded potatoes, ham, cheese, and veggies up to 24 hours in advance; just store them covered in the refrigerator to keep everything fresh. For the egg mixture, you can whisk together the eggs, milk, mustard, salt, and pepper and refrigerate it as well. When you’re ready to bake, simply pour the egg mixture over the potato mixture, top with cheese, and bake as instructed. This strategy saves time on busy mornings without sacrificing flavor, ensuring your casserole is just as delicious as when freshly made!
How to Store and Freeze Cheesy Denver Breakfast Casserole
Fridge: Keep leftover casserole in an airtight container for up to 3 days. This preserves the cheesy flavor and fluffy texture, making it easy to enjoy again.
Freezer: Wrap the cooled casserole tightly in plastic wrap and aluminum foil, then freeze for up to 2 months. This allows for a convenient meal option that you can simply reheat on busy mornings.
Reheating: To reheat, thaw overnight in the fridge, then warm in the oven at 350°F for about 20-30 minutes until heated through. You can also microwave individual portions for a quick breakfast!
What to Serve with Cheesy Denver Breakfast Casserole?
When hosting a delightful brunch, complementing this hearty casserole will elevate the entire dining experience!
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Fresh Fruit Salad: A medley of seasonal fruits adds a refreshing contrast and vibrant colors to your table. It’s the perfect palate cleanser!
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Cinnamon Rolls: Soft, gooey cinnamon rolls with a drizzle of frosting provide a sweet touch that balances the savory casserole wonderfully.
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Crispy Bacon: The smoky flavor of crispy bacon creates a delicious contrast, enhancing each bite of the cheesy casserole.
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Garlicky Spinach: Sautéed spinach with garlic brings a nutritious and flavorful green to your plate, beautifully pairing with the richness of the casserole.
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Herbed Toast: Thick slices of herbed toast are perfect for soaking up the egg and cheese goodness, adding a satisfying crunch to your meal.
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Mimosas: A sparkling mimosa with fresh orange juice offers a bright, bubbly refreshment, elevating your brunch from ordinary to extraordinary!
Enjoy mixing and matching these side dishes for a brunch that will leave everyone wanting more!
Cheesy Denver Breakfast Casserole Recipe FAQs
What type of cheese is best for the Cheesy Denver Breakfast Casserole?
Absolutely! While sharp cheddar is delicious, feel free to experiment with other cheeses like Monterey Jack, Gouda, or Pepper Jack for a unique flavor twist. Each variety brings its character to the dish and can elevate the taste in different ways.
How should I store leftover Cheesy Denver Breakfast Casserole?
I recommend placing any leftovers in an airtight container and refrigerating them for up to 3 days. This keeps the casserole fresh while preserving its cheesy goodness. When you’re ready to enjoy it again, just reheat in the oven or microwave!
Can I freeze Cheesy Denver Breakfast Casserole?
Yes, you can! Once cooled, tightly wrap the casserole in plastic wrap and aluminum foil, then freeze it for up to 2 months. When you’re ready to eat, allow it to thaw in the refrigerator overnight. Reheat in the oven at 350°F for 20-30 minutes until piping hot.
What can I do if my casserole turns out too watery?
Very! To avoid a soggy casserole, be sure to thaw and drain excess moisture from the frozen shredded potatoes beforehand. If it does happen, you can try baking it a little longer to let the extra moisture evaporate. Keep an eye on it to ensure it doesn’t overcook!
Is Cheesy Denver Breakfast Casserole suitable for vegetarians?
Yes, it can be made vegetarian! Simply substitute the ham with diced vegetables like mushrooms, zucchini, or even tofu. Additionally, make sure to use a cheese that meets your dietary needs. This way, everyone can enjoy a hearty breakfast!
Can I prepare the casserole in advance?
Absolutely! You can assemble your Cheesy Denver Breakfast Casserole the night before and keep it covered in the refrigerator. In the morning, just pop it in the oven for a convenient and delightful breakfast that’s ready to impress your family or guests!

Cheesy Denver Breakfast Casserole for Easy Mornings
Ingredients
Equipment
Method
- Preheat your oven to 375°F.
- Coat a 9x13-inch baking dish with cooking spray.
- Grate 12 ounces of sharp cheddar cheese and place it in a large mixing bowl.
- Cube 12 ounces of boneless ham steak and add it to the cheese bowl.
- Slice 4 medium scallions and add to the bowl.
- Chop 1 medium bell pepper and mix it in.
- Add 16 ounces of frozen shredded potatoes and combine well.
- In the same bowl, add 12 large eggs, 2 cups of whole milk, 1 tablespoon of Dijon mustard, 1 teaspoon of kosher salt, and 1/2 teaspoon of black pepper. Whisk until combined.
- Pour the egg mixture over the potato and meat mixture, and sprinkle remaining cheese on top.
- Bake until the top is light golden-brown, about 1 hour to 1 hour and 10 minutes. Let it cool for 5 minutes before slicing.







