Heat gas grill to medium-high or charcoal grill until coals are ash white.
Place mushrooms into center of 18-inch square sheet of heavy-duty aluminum foil.
Cut Sauté Express® squares into small pieces. Place over mushrooms. Bring long sides of foil up over mushrooms; seal using double folds. Seal remaining sides of foil using double folds.
Place packet directly onto grill. Close cover; grill 15-20 minutes or until mushrooms are cooked through and tender.
Carefully open packet with scissors, allowing steam to escape. Stir mushrooms; spoon over steak or potatoes.
- When cooking on a grill, use heavy-duty aluminum foil.
- Recipe can be made on stove top. Heat Sauté Express® squares over medium-high heat in 10-inch skillet until bubbles form. Add mushrooms; cook stirring occasionally, 3-5 minutes or until tender and glazed.