Mushroom Casserole

This is a wonderful meatless meal or a vegetable side dish.

• Ready In: 1 hr 5 mins
• Serves: 10

Ingredients

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

Directions

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