Easy Asparagus Gratin With Walnuts

asparagus with walnuts au gratin
Diana Rattray
  • 40 mins
  • Prep: 10 mins,
  • Cook: 30 mins
  • Yield: 4 servings
Ratings (5)

This asparagus au gratin recipe is made with cheese, asparagus, walnuts, and cracker crumbs.

The casserole makes a fabulous side dish, and it's very easy to prepare and bake. The chopped walnuts make the cracker crumb mixture crunchy and flavorful.

Related Recipe: Asparagus Casserole with Cheese

What You'll Need

  • 5 tablespoons butter, divided
  • 1 teaspoon salt
  • 3 tablespoons all-purpose flour
  • 1/4 teaspoon freshly ground black pepper, optional
  • 1 1/2 cups milk
  • 1 cup shredded cheddar or Gruyere cheese
  • 1 1/2 cups cracker crumbs
  • 1 cup chopped walnuts
  • 2 cups cooked chopped asparagus

How to Make It

  1. Heat the oven to 350 F.
  2. Butter a 1 1/2-quart casserole.
  3. In a saucepan over medium low heat, melt 3 tablespoons of butter; stir in salt and flour. If desired, add 1/4 teaspoon of freshly ground black pepper, if desired.
  4. Cook the flour mixture for about 2 minutes, stirring constantly.
  5. Gradually add the milk while stirring.
  6. Add shredded cheese and cook, stirring, until thickened.
  7. Remove the sauce from the heat.
  1. Melt the remaining 2 tablespoons of butter.
  2. Combine cracker crumbs with the melted butter and chopped walnuts; toss to blend. Reserve a few tablespoons for topping.
  3. In the prepared casserole dish, place a layer of asparagus, a layer of cracker and walnut mixture, then a layer of sauce.
  4. Repeat the layers, ending with the reserved crumbs.
  5. Bake in the preheated oven for about 25 to 30 minutes, or until top is nicely browned.

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