Stuffed Mushrooms - cooking recipe

Ingredients

8 oz. pkg. large fresh mushrooms
1/4 c. chopped onion
2 Tbsp. margarine
1/4 c. seasoned bread crumbs
1/4 c. shredded cheese of your choice (Cheddar, Swiss)
2 Tbsp. Parmesan cheese
1 tsp. parsley flakes
1/8 tsp. pepper
1/4 tsp. dry mustard
dash of salt

Preparation

Remove stems from mushrooms; chop stems.
Combine in 1-quart casserole, stems, onion and margarine.
Microwave on High 2 minutes.
Stir in bread crumbs, cheese and seasonings; mound in caps.
Microwave 2 to 2 1/2 minutes.
Rotate 2 times while cooking. Heat thoroughly.