Hot Marinated Mushrooms - cooking recipe

Ingredients

2 lb. mushrooms
2 tsp. onion, chopped
3/4 tsp. Worcestershire
1/2 tsp. salt
1 c. butter
1 tsp. garlic salt
1/4 tsp. rosemary
1/2 tsp. pepper

Preparation

Layer mushrooms in 9 x 13-inch pan; set aside.
Heat remaining ingredients.
Pour sauce over the mushrooms and bake uncovered at 325\u00b0 for 40 minutes.
Serve with toothpicks.