Cheesy Asparagus Casserole: A Creamy, Comforting Side Dish
There’s something magical about a dish that transforms humble ingredients into pure comfort. This Cheesy Asparagus Casserole is exactly that—a creamy, dreamy, veggie-packed side that feels indulgent yet wholesome. Whether you’re serving it for a holiday feast (hello, Easter or Thanksgiving!) or just jazzing up a weeknight dinner, it’s guaranteed to steal the spotlight. Plus, it’s a sneaky way to get even the pickiest eaters to enjoy their greens!
I first made this casserole for a potluck years ago, and let’s just say… it came home empty. The combination of tender asparagus, rich cheese sauce, and buttery breadcrumbs is downright irresistible. And the best part? It’s easy. No fancy techniques, no hard-to-find ingredients—just simple, hearty goodness. If you love cozy dishes like our Creamy Garlic Mashed Potatoes, this one’s for you.
Why You’ll Love This Cheesy Asparagus Casserole
Here’s why this recipe deserves a permanent spot in your rotation:
- Versatile: Works as a side dish or a light main with a salad.
- Make-ahead friendly: Assemble it ahead and bake when ready.
- Crowd-pleaser: Even veggie skeptics will ask for seconds.
- Seasonal flexibility: Swap in frozen asparagus if fresh isn’t available.
How to Make Cheesy Asparagus Casserole
Ingredients You’ll Need
- 1.5 lbs fresh asparagus, trimmed
- 3 tbsp butter
- 3 tbsp all-purpose flour
- 1.5 cups whole milk
- 1 cup shredded cheddar cheese
- ½ cup grated Parmesan
- ½ cup breadcrumbs
- 1 tsp garlic powder
- Salt and pepper to taste
Step-by-Step Instructions
- Prep the asparagus: Blanch in boiling water for 2 minutes, then plunge into ice water to stop cooking. Drain and arrange in a greased baking dish.
- Make the sauce: Melt butter in a saucepan, whisk in flour to form a roux. Gradually add milk, stirring until thickened. Remove from heat and stir in cheeses until melted.
- Assemble: Pour sauce over asparagus. Sprinkle with breadcrumbs mixed with a drizzle of melted butter.
- Bake: At 375°F for 20–25 minutes until bubbly and golden. Let rest 5 minutes before serving.
Tips for the Best Casserole
For extra flair, try adding crispy bacon bits or swapping cheddar for Gruyère. If you’re short on time, skip blanching—just roast the asparagus first (like in our Roasted Vegetable Medley). And don’t skimp on the breadcrumbs—that crunchy topping is everything!
Frequently Asked Questions
Can I use frozen asparagus? Yes! Thaw and pat dry to avoid excess moisture.
How do I store leftovers? Cover and refrigerate for up to 3 days. Reheat in the oven for best texture.
Can I make this gluten-free? Absolutely! Use gluten-free flour and breadcrumbs.
What pairs well with this casserole? Try it with Herb-Crusted Chicken or baked ham.
Can I freeze this dish? It’s best fresh, but you can freeze before baking. Thaw overnight before baking as directed.
Why blanch the asparagus? It ensures even tenderness. For more on veggie prep, see Simply Recipes’ guide.
There you have it—a dish that’s as easy to love as it is to make. Whether you’re craving comfort or need a reliable side to impress, this Cheesy Asparagus Casserole delivers every time. Now, who’s ready to dig in?

Cheesy Asparagus Casserole
Description
A creamy, cheesy asparagus casserole topped with crispy breadcrumbs for the perfect side dish or vegetarian main course. This comforting bake highlights fresh asparagus in a rich cheese sauce.
Ingredients
For the Crust:
- For the casserole base:
- 2 lbs fresh asparagus, trimmed and cut into 2-inch pieces
- 3 tbsp unsalted butter
- 3 tbsp all-purpose flour
- 2 cups whole milk
- 1 cup chicken or vegetable broth
- 1 tsp Dijon mustard
- 1/2 tsp garlic powder
- 1/4 tsp nutmeg
- Salt and pepper to taste
- For the cheese mixture:
- 1 1/2 cups shredded sharp cheddar cheese
- 1/2 cup grated Parmesan cheese
- For the topping:
- 1 cup panko breadcrumbs
- 2 tbsp melted butter
- 1/4 cup grated Parmesan cheese
- 1 tsp dried parsley
Instructions
1. Prepare the Crust:
- 1. Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- 2. Blanch asparagus: Bring a pot of salted water to boil. Add asparagus and cook for 2 minutes. Drain and immediately plunge into ice water. Drain again and pat dry.
- 3. Make the sauce: In a saucepan, melt butter over medium heat. Whisk in flour and cook for 1 minute. Gradually whisk in milk and broth until smooth.
- 4. Cook sauce: Bring to a simmer, stirring constantly until thickened (about 5 minutes). Stir in Dijon mustard, garlic powder, nutmeg, salt, and pepper.
- 5. Add cheeses: Remove from heat and stir in cheddar and Parmesan cheeses until melted.
- 6. Combine: Gently fold in blanched asparagus and transfer mixture to prepared baking dish.
- 7. Make topping: Mix breadcrumbs, melted butter, Parmesan, and parsley. Sprinkle evenly over casserole.
- 8. Bake: 25-30 minutes until bubbly and topping is golden brown. Let rest 5 minutes before serving.
Notes
For a crispy topping, broil for the last 2-3 minutes. Substitute gluten-free flour and breadcrumbs if needed. Leftovers reheat well at 350°F for 15 minutes.