Easy Recipes Daily | Breakfast Brunch Recipes, Easy Breakfast Recipes, Breakfast Dishes

There’s something quietly joyful about a warm, from-scratch breakfast casserole sliding out of the oven on a bright spring morning. This Easy Recipes Daily breakfast—filled with tender asparagus, sharp cheddar, farm-fresh eggs, and a touch of spring onion—captures that seasonal appeal perfectly. It’s simple enough for a weekday wake-up or dressed up for a leisurely weekend brunch with friends and family. If you love comforting, make-ahead dishes and want more brunch inspiration, be sure to explore our breakfast & brunch collection for extra ideas and seasonal spins.

Ingredients & Equipment

Below is a clear, flexible ingredient list for a 9×13-inch casserole (serves 6–8). Swap quantities to scale up or down.

Ingredients

• 10 large eggs (room temperature helps for even cooking)
• 1 1/2 cups whole milk or 1 cup whole milk + 1/2 cup half-and-half for extra richness
• 8 oz sharp cheddar, grated (or a mix of cheddar and fontina)
• 1 lb asparagus, trimmed and cut into 1–2 inch pieces
• 1 cup frozen peas (optional, for extra green sweetness)
• 1 medium onion or 4–5 spring onions, thinly sliced
• 2 cloves garlic, minced
• 1 tsp Dijon mustard (optional, brightens the custard)
• 1/2 tsp nutmeg (optional, warming background note)
• Salt and freshly ground black pepper, to taste
• 2 tbsp olive oil or butter for sautéing
• 1–2 cups day-old bread cubes or cooked diced potatoes (optional for heft)
• Fresh herbs for finishing: parsley, chives, or tarragon

Equipment

• 9×13-inch (or similar) baking dish
• Large mixing bowl and whisk
• Skillet for sautéing vegetables
• Cheese grater
• Rubber spatula and sharp knife
• Optional: blender for ultra-smooth custard, baking sheet for roasting asparagus
• Probe thermometer (useful—eggs are done around 160–165°F / 71–74°C)

Note: If you prefer a crust, line the dish with puff pastry or use a lightly buttered pie crust. For dairy-free, use unsweetened almond milk and a dairy-free cheddar alternative.

If you enjoy cheesy, comforting meals in multiple formats, you might also like a savory soup pairing like this rich broccoli cheese soup for cooler mornings.

Step-by-Step Instructions (with tips)

These directions are written for a stovetop-to-oven approach—quick, forgiving, and ideal for layered flavor. Follow the variations that match your pantry or mood.

1. Preheat and prep: Preheat your oven to 375°F (190°C). Grease the 9×13-inch dish with butter or nonstick spray. If you’re using bread cubes, spread them in the dish now.
2. Tip: Room-temperature eggs mix more evenly with the milk, so pull them out 15–30 minutes beforehand if possible.
3. Cook the asparagus: Two simple options—roast or blanch/steam.

• Roast: Toss asparagus with 1 tbsp olive oil, salt, and pepper on a baking sheet and roast at 400°F (200°C) for 8–10 minutes until tender and slightly charred. This concentrates the flavor.
• Blanch/Steam: Boil for 2–3 minutes until bright green and tender-crisp, then shock in ice water to stop cooking. This keeps the veggies vibrant for a make-ahead casserole.

1. Kitchen tip: Roasting gives nuttier depth; blanching keeps a cleaner, fresher green note. Both work beautifully.
2. Sauté the aromatics: In a skillet over medium heat, warm 1 tbsp olive oil or butter. Add the chopped onion or sliced spring onions and cook until translucent, 4–6 minutes. Add the garlic and cook 30–60 seconds until fragrant. If using peas, toss them in to warm through.
3. Variation: For a heartier, meaty casserole, brown 8 oz crumbled breakfast sausage or diced bacon here and drain excess fat before combining.
4. Build the custard: In a large bowl, whisk together eggs, milk, Dijon mustard, nutmeg, salt, and pepper until smooth. Stir in 3/4 of the grated cheese so it melts into the mixture.
5. Pro tip: For an ultra-silky custard, blend briefly in a blender—this also reduces bubbles and gives a professional texture.
6. Assemble the casserole: Layer bread cubes (or cooked potatoes) in the bottom of the prepared dish if using. Scatter the sautéed onions, asparagus pieces, and peas evenly. Pour the egg-cheese mixture over everything, pressing gently so bread soaks up the custard. Sprinkle the remaining cheese evenly on top.
7. Tip: If the dish seems dry, a splash more milk is fine. If it’s watery, small gaps between vegetables help the custard set evenly.
8. Bake: Bake uncovered for 35–45 minutes, until puffed and set at the center and the top is golden. If using a probe thermometer, the center should read about 160–165°F (71–74°C).
9. Flavor note: A quick broil for 1–2 minutes at the end can add an appealing browned crust—watch closely to prevent burning.
10. Rest and garnish: Let the casserole rest 10–15 minutes before slicing—this helps it finish setting and makes cleaner portions. Scatter fresh herbs like chives or parsley over the top before serving.

Variation ideas: swap asparagus for roasted bell peppers and zucchini in summer, or use wilted spinach and mushrooms in the fall. Want a vegetarian protein boost? Stir in crumbled, pan-fried tofu or cooked quinoa when mixing the custard.

Storage, Freezing & Make-Ahead Tips

One of this casserole’s best qualities is how well it plays the make-ahead and leftovers game.

• Make-ahead (overnight): Assemble the casserole the night before, cover tightly with plastic wrap, and refrigerate. In the morning, remove the wrap, let sit 20 minutes while the oven preheats, then bake for the same time—add 5–10 minutes if starting cold.
• Refrigerate: Store cooled leftovers in an airtight container for 3–4 days. Reheat single slices in a skillet over medium-low heat with a tablespoon of water or in a 350°F (175°C) oven until warmed through.
• Freeze: For longer storage, freeze individual slices on a parchment-lined tray until solid, then transfer to a zip-top bag. Freeze up to 2 months. Thaw overnight in the fridge and reheat in a 350°F oven for 15–20 minutes, or microwave gently for convenience.
• Portioning: Bake in disposable foil pans for easy gifting or transport. For meal prep, slice into single servings and wrap in foil to reheat on busy mornings.

How to Use / Serve This Dish

This spring asparagus and cheddar casserole is wonderfully flexible. Here are warm, inviting ways to serve it:

• Serve slices with a crisp green salad and a bright vinaigrette for a balanced brunch spread.
• Top individual servings with a dollop of herbed crème fraîche, plain Greek yogurt, or a sprinkle of smoked paprika for extra color and tang.
• Pair with roasted tomatoes or a quick fruit salad for seasonal contrast—strawberries or orange segments bring a refreshing burst of sweetness. If you’re planning a full brunch menu, consider a light dessert like a strawberry shortcake or other summer treats from this collection: easy strawberry desserts for summer.
• Turn it into a buffet star: cut into small squares and place on a platter for grazing; they’re perfect with toothpicks for a brunch party.

Looking for other savory make-ahead brunch options? Our breakfast enchiladas are a flavorful alternative if you want a Tex-Mex twist on weekend mornings: breakfast enchiladas with sausage gravy.

FAQ

Can I make this gluten-free?

Yes. Omit the bread cubes and use cooked diced potatoes or a gluten-free bread alternative. Ensure any processed ingredients (like mustard or sausage) are labeled gluten-free. The custard itself is naturally gluten-free.

My casserole looks watery—what went wrong?

A watery casserole can come from over-ripe vegetables releasing water, not enough bread or potatoes to absorb the custard, or too much milk. To prevent this, sauté vegetables first to remove excess moisture, use day-old bread or add a cup of cooked diced potatoes, and don’t overdo the liquid—1:1.25 ratio of eggs to milk by volume is a good guide (e.g., 10 eggs to about 1.25 cups milk).

Can I prepare this for a crowd and keep it warm?

Absolutely. Bake larger pans (adjust time as needed) and keep them warm in a low oven (200–225°F / 95–110°C) covered with foil for up to an hour. For longer holds, consider baking smaller pans and replenishing from warmed individual portions to preserve texture.

What are good substitutions for asparagus?

Seasonal swaps work great: in summer use zucchini and bell peppers, in autumn use spinach, mushrooms, or roasted butternut squash. Frozen vegetables like peas or corn are also convenient—just thaw and drain first.

Conclusion

This spring-forward breakfast casserole is the kind of dish that feels like a warm kitchen hug—bright asparagus, melty cheddar, and a custardy bake that’s forgiving, make-ahead friendly, and endlessly customizable. Whether you’re feeding a sleepy household on a weekday or hosting a relaxed brunch, it’s an easy recipe that celebrates seasonal produce and simple technique.

For more inspiration when planning a larger brunch spread, check out this helpful round-up of 25 Breakfast & Brunch Recipes to Feed a Crowd, and if you love the make-ahead casserole idea, this Easy Breakfast Casserole Recipe – Sally’s Baking Addiction is a great companion resource with useful variations and timing tips. Give this casserole a try, feel free to customize it, and share your favorite seasonal twists—I’d love to hear how you make it your own!

Spring Asparagus and Cheddar Casserole

A comforting make-ahead breakfast casserole featuring tender asparagus, sharp cheddar, and fresh eggs, perfect for any spring morning.

Print Recipe Pin Recipe

Prep Time 30 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr 15 minutes mins

Servings: 8 servings

Course: Breakfast, Brunch

Cuisine: American

Calories: 300

Ingredients Method Notes

Ingredients

  

Main Ingredients

• 10 large eggs Room temperature helps for even cooking
• 1.5 cups whole milk Can substitute with 1 cup whole milk + 1/2 cup half-and-half
• 8 oz sharp cheddar cheese, grated Or a mix of cheddar and fontina
• 1 lb asparagus, trimmed and cut into 1–2 inch pieces Fresh asparagus is recommended
• 1 cup frozen peas Optional for extra flavor
• 1 medium onion, thinly sliced Or 4–5 spring onions
• 2 cloves garlic, minced Enhances flavor
• 1 tsp Dijon mustard Optional, brightens the custard
• 0.5 tsp nutmeg Optional, adds warmth
• to taste salt
• to taste freshly ground black pepper
• 2 tbsp olive oil or butter For sautéing vegetables
• 1-2 cups day-old bread cubes or cooked diced potatoes Optional for extra heft
• to taste fresh herbs For garnish, e.g., parsley, chives, or tarragon

Method

 

Preparation

1. Preheat your oven to 375°F (190°C). Grease a 9x13-inch dish with butter or nonstick spray. If using bread cubes, spread them in the dish.
2. Room-temperature eggs mix more evenly with milk; pull them out 15-30 minutes beforehand if possible.

Cooking the Vegetables

1. For asparagus, either roast (toss with 1 tbsp olive oil, salt, and pepper at 400°F for 8-10 minutes) or blanch (boil for 2-3 minutes, then shock in ice water).
2. In a skillet over medium heat, warm 1 tbsp olive oil or butter. Sauté the onion until translucent (4-6 minutes), add garlic and cook for another 30-60 seconds. If using peas, toss them in to warm.

Custard Preparation

1. In a large bowl, whisk together eggs, milk, Dijon mustard, nutmeg, salt, and pepper until smooth. Stir in 3/4 of the grated cheese.
2. For a smoother custard, blend briefly in a blender.

Assembling the Casserole

1. Layer bread cubes in the bottom of the prepared dish. Scatter sautéed onions, asparagus, and peas. Pour the egg-cheese mixture over everything.
2. Press gently to ensure bread soaks up the custard and sprinkle the remaining cheese on top.

Baking

1. Bake uncovered for 35-45 minutes until puffed and set, with the center reading about 160-165°F (71-74°C). A quick broil for 1-2 minutes at the end can add a browned crust.

Finishing Touches

1. Let the casserole rest for 10-15 minutes before slicing, then garnish with fresh herbs before serving.

Notes

This casserole is great for make-ahead and leftovers. Assemble the night before and refrigerate. Store cooled leftovers in an airtight container for 3-4 days. Freeze individual slices for up to 2 months.