Asparagus Casserole, made with fresh asparagus, is creamy and rich with a crunchy fried onion topping.
Perfect For Spring and Easter
A creamy and rich Asparagus Casserole with fresh asparagus and a crunchy fried onion topping is the perfect spring casserole and would be a great addition to your Easter menu.
Other Ingredients
In addition to fresh asparagus, this casserole has mushrooms, onion, sour cream, mayonnaise, and two kinds of cheese. How can it not be good?
No cream of anything soup is needed. Instead milk is added to a butter and flour roux.
The crunchy onion topping is my favorite. In addition to scattering them on top, I also like to crush some fried onions and mix them into the casserole. Not only do they provide flavor, but they act as a thickener as well.
Make Ahead
As a time saver, this casserole can be assembled a day in advance and baked just before serving.
It’s a rich and decadent spring casserole and there’s no better way to enjoy fresh asparagus.
More Asparagus Recipes
- Asparagus Leek Dip– Tastes like artichoke dip, only bolder!
- Chicken and Asparagus Casserole– a creamy egg noodle-based casserole that’s perfect for spring.
- Asparagus and Mascarpone Gratin– the most decadent, divine, delicious asparagus dish I’ve ever tasted!
- Asparagus Mornay– covered in a cheesy sauce and cracker crumbs and broiled until warm and golden.
- Fried Asparagus– a super crunchy coating covering crisp tender fresh asparagus stalks.
Asparagus Casserole
Ingredients
- 4 tablespoons (1/2 stick) butter
- 2 1/2 pounds asparagus,, trimmed and cut into 1-inch pieces
- 1 (8-ounce) package white mushrooms,, sliced
- 1/2 medium sweet onion,, chopped
- 1/4 cup all-purpose flour
- 1 1/4 cup milk
- 1/2 cup mayonnaise
- 1/2 cup sour cream
- 1/2 cup shredded cheddar cheese
- 1/2 cup shredded swiss cheese
- 1/2 teaspoon salt
- 1/2 teaspoon lemon pepper
- 1/4 teaspoon paprika
- 1 (6-ounce) can french-fried onions.
Instructions
- Grease a casserole dish and preheat oven to 350 degrees.
- Melt butter in a large pan over medium heat. Add asparagus, mushrooms, and onions and cook, stirring occasionally, for about 6 minutes.
- Sprinkle flour over vegetables and cook, stirring continuously, for 1 to 2 minutes.
- Gradually stir in milk. Cook until thickened.
- Reduce heat to low and mix in mayonnaise, sour cream, both cheeses, salt, lemon pepper, and paprika. Remove from heat.
- Crush about 1/3 of the can of french-fried onions and mix them into the asparagus mixture.
- Transfer mixture to prepared casserole dish.
- Sprinkle remaining french-fried onions on top.
- Place in oven and bake for 30 minutes.
Video
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Originally posted March 8, 2016.
Disclosure: This post contains affiliate links.
Excellent!!
Delicious casserole, but I put a can of campbells creme of chicken soup and a can of cooked chicken. Awesome!
I use both, too. I also put pimento in the casserole rather than red flakes.
I made the dish tonight, it was good but does need a little more bit. So I added red pepper flakes.
Didn’t have the mushrooms or lemon pepper. So I juiced 1/2 a meyer lemon and zested it. SO YUMMY! This is a keeper recipe. Thank you!!!
This tasted like green bean casserole but with asparagus. I really liked this but wasn’t crazy about the mushrooms in the recipe. Neither was my husband, but next time I make it I’ll leave them out. Then it will be perfect for our tastes. Thanks for sharing it!
What size casserole dish do you use ? Thank you!
Loved this dish. I halved the recipe as I didn’t have enough asparagus for the full recipe. Also had to sub Italian blend for Swiss and black pepper for lemon pepper, added a little garlic powder too. Loved that it did not use the canned cream of whatever soup. Definitely a keeper, already printed…..thanks for sharing!
Very good! I halved the recipe and substituted black pepper for the lemon pepper and Italian blend for the swiss as those items didn’t require a trip to the grocery. I also added a little garlic powder as we love it. I printed the recipe as it is definitely a keeper!
Thanks for sharing!
What size pan ?
What size pan
Great! Served as part of Thanksgiving Feast. Liked by all.