Total Calories: 287
Remove stems from mushrooms and mince enough to measure 1/3 cup. Melt 3 tablespoons butter or margarine in skillet add chopped mushroom stems, green pepper, pimiento and onion. Cook and stir until tender, about 5 to 7 minutes. Remove from heat stir in remaining ingredients except mushroom caps and 1 tablespoon butter or margarine. Melt remaining 1 tablespoon butter or margarine in a shallow baking pan. Fill mushroom caps with stuffing mixture place in pan. Bake in a preheated 350° F oven for 15 to 20 minutes or until lightly browned.