Ingredients

The following ingredients have 8 Servings
  • 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.

Instruction

  • 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.