Mushroom Casserole

12 ingredients
12 steps

Ingredients

  • 14 cup butter or 14 cup margarine
  • 1 12 lbs fresh mushrooms, sliced 1/4 inch thick
  • 1 medium onion, chopped
  • 1 can cream of mushroom soup
  • 14 cup mayonnaise
  • 12 teaspoon thyme
  • 12 teaspoon seasoning salt
  • 12 teaspoon pepper
  • 1 box cheddar cheese crouton (3 cups)
  • 2 eggs
  • 1 23 cups milk
  • 1 cup grated sharp cheddar cheese

Directions

  1. 1
    Melt butter in large skillet, saute mushrooms and onion until mushrooms are golden and juices evaporate.
  2. 2
    Stir in mushroom soup and mayonnaise.
  3. 3
    Add thyme, salt, and pepper, blend well.
  4. 4
    Spray a 9 x 13 glass baking dish with no-stick cooking spray.
  5. 5
    Place croutons in bottom and up sides of dish.
  6. 6
    Spread mushroom mixture over croutons.
  7. 7
    In small bowl beat eggs and milk.
  8. 8
    Pour over casserole.
  9. 9
    Cover with plastic wrap and refrigerate overnight.
  10. 10
    When ready to bake, remove cover sprinkle with cheese and bake@350 uncovered about 50-60 minutes until golden and bubbling in center.
  11. 11
    Let stand 5 minutes.
  12. 12
    Serves 10.

Products Matching These Ingredients

More Recipes to Try