I don't know who first decided asparagus needed to be fancy, but I'm here to fix that with a casserole that's creamy, cheesy, and topped with a buttery Cheez-It crunch. This is the kind of side dish that quietly steals the spotlight.
With simple ingredients, easy prep, the flavor keeps everyone coming back for "just one more scoop." If you've got a bundle of asparagus hanging out in the fridge, this is exactly what to do with it.
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This asparagus casserole keeps everyone coming back
This one nails the balance of tender asparagus and a bold, salty crunch on top that makes every bite interesting. The sauce brings everything together without weighing it down, and the topping adds that buttery, toasty finish people can't resist picking at straight from the pan.
This recipe is simple, reliable, and somehow disappears faster than anything else on the table. And because it's a side dish? That makes it even more amazing!
Asparagus Casserole Recipe
Equipment
- 1 9x13 casserole dish
Ingredients
- 2 lbs fresh asparagus trimmed and cut into 2-inch pieces
- 1 tablespoon butter
- 1 small onion finely diced
- 2 cloves garlic minced
- 10.5 ounce can cream of mushroom soup (or cream of chicken)
- ½ cup sour cream
- ½ cup mayonnaise
- 1 cup shredded sharp cheddar cheese
- ½ teaspoon salt
- ½ teaspoon black pepper
- For the topping:
- 1 ½ cups Cheez-Its lightly crushed
- 2 tablespoons butter melted
- ½ cup shredded cheddar cheese
Instructions
- Preheat the oven to 350°F. Lightly grease a 9x13 baking dish.
- Bring a pot of salted water to a boil. Add asparagus and cook for 2-3 minutes until bright green and just tender. Drain and immediately rinse with cold water to stop cooking. Set aside.
- In a skillet over medium heat, melt 1 tablespoon butter. Add diced onion and cook until softened, about 4-5 minutes. Stir in garlic and cook for another 30 seconds.
- In a large bowl, combine the soup, sour cream, mayonnaise, shredded cheddar, salt, pepper, and the onion mixture. Stir until smooth.
- Fold in the asparagus until evenly coated. Spoon the mixture into the prepared baking dish and spread evenly.
- Make the Cheez-It topping - In a small bowl, mix crushed Cheez-Its with melted butter and the extra cheddar cheese.
- Sprinkle the topping evenly over the casserole. Bake uncovered for 30-35 minutes, until hot and bubbly with a golden, crispy top.
- Let it sit for 5-10 minutes before serving so it sets up nicely, enjoy!!
Notes
Nutrition
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Ingredients
Check the printable recipe card below for exact ingredient amounts and step-by-step details.
Frequently asked questions (FAQ's)
Yes. Assemble the casserole (skip the topping), cover, and refrigerate up to 24 hours. When ready to bake, add the topping and pop it in the oven. You may need to add 5-10 extra minutes to the bake time.
Always add the topping right before baking. Baking uncovered at the end helps it stay crisp.
Absolutely. Ritz crackers, butter crackers, or even crushed pretzels work well. That said… Cheez-Its bring a bold, cheesy, salty punch that's hard to beat.
Deb's top tip for asparagus casserole
Cut the asparagus on a slight diagonal (bias cut) instead of straight across. It's a small move, but it gives you more surface area so the sauce clings better, and the pieces cook more evenly without turning stringy. Plus, it just looks a little more put-together on the plate-which never hurts when you're serving this up.
Related recipes
If you're in the mood for more easy, comforting sides, there are a few favorites you'll want to try next. My yellow squash casserole is a longtime go-to with a soft, savory filling and a golden topping, while crack green beans bring big flavor with hardly any effort.
And if you need something hands-off, crockpot cream corn is rich, simple, and always a hit at the table.
Serving suggestions
This casserole plays really well with simple, hearty mains. It's the kind of side that rounds out a plate without making you juggle a million things.
It's especially good with baked or grilled chicken (think drumsticks, thighs, or even a rotisserie shortcut), and it pairs beautifully with pork chops or pork tenderloin. If you're leaning comfort food, serve it alongside meatloaf or a classic pot roast and call it dinner done right!
Bring this to the table tonight
Give this one a try and see what you think! It's the kind of easy side that fits right into any dinner without extra fuss. When you make it, leave a comment and let me know how it turned out or if you added your own twist. I always love hearing what's happening in your kitchen.
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