Steakhouse Mushroom Casserole

Total Time

Prep: 25 min. + chilling Bake: 30 min.


8 servings

Updated: Aug. 25, 2023
This meatless mushroom casserole is one of my all-time favorites. Loaded with mushrooms and draped in a rich sauce, it's a home-style side dish that will have everyone scooping up seconds.—Rosemary Janz, Concord, North Carolina
Steakhouse Mushroom Casserole Recipe photo by Taste of Home


  • 2 pounds sliced fresh mushrooms
  • 3/4 cup butter, divided
  • 1 cup heavy whipping cream
  • 1 large egg yolk
  • 1 tablespoon minced fresh parsley
  • 1 tablespoon lemon juice
  • 1 teaspoon salt
  • 1/2 teaspoon paprika
  • 2 cups crushed butter-flavored crackers


  1. In a large skillet, saute mushrooms in batches in 1/4 cup butter until mushrooms are tender and liquid is evaporated. In a large bowl, whisk the cream, egg yolk, parsley, lemon juice, salt and paprika. Add mushrooms and stir until blended.
  2. Transfer to a greased 8-inch square baking dish. Melt remaining butter; stir in cracker crumbs until blended. Sprinkle over mushroom mixture. Cover and refrigerate overnight.
  3. Remove from the refrigerator 30 minutes before baking. Preheat oven to 350°. Bake, uncovered, until a thermometer reads 160° and topping is golden brown, 30-35 minutes.

Mushroom Casserole Tips

What kind of mushrooms should you use to make mushroom casserole?

White or cremini mushrooms will work well in this casserole. Check out our guide to mushrooms if you want to learn more about each kind!

How do you store mushroom casserole?

After the mushroom casserole has completely cooled, wrap it well or store it in an airtight container in the refrigerator, where it should last for up to 2 days.

What can you serve with mushroom casserole?

This mushroom casserole works perfectly as a side dish to steak, or even with a heartier dinner salad.

Mark Neufang, Taste of Home Culinary Assistant

Nutrition Facts

3/4 cup: 406 calories, 35g fat (19g saturated fat), 103mg cholesterol, 634mg sodium, 20g carbohydrate (5g sugars, 2g fiber), 7g protein.