1 lb mushrooms, cleaned
1/8 c. canola oil
1/8 c. water
1 tbl balsamic vinegar
1 packet (1 oz) ranch salad dressing mix
Place mushrooms in a gallon-size zip-top plastic bag. Whisk rest of ingredients together and pour over mushrooms. Seal bag and refrigerate 30 min, turning occasionally.
Spray broiler pan with cooking spray. Spread mushrooms out on pan in a single layer and broil 8 min. or until tender.