Grilled portabella mushrooms and provolone cheese are served on buns with a creamy mustard sauce.
Cooking Time
6 mins
Total Time
6 mins
Calories
325 Calories
Recipe Instructions
Step 1
Preheat grill to medium-high. Make drainage holes in a sheet of Reynolds Wrap® Non-Stick Aluminum Foil with a large fork; set aside.
Step 2
Combine butter and garlic. Baste mushroom caps with mixture. Place foil on grill grate with non-stick (dull) side facing up. Immediately place mushrooms on foil.
Step 3
Grill uncovered 6 to 8 minutes, turning once, until mushrooms are browned and tender. Place 1 slice of cheese on each mushroom during the last minute of grilling.
Step 4
Combine sour cream, vinegar, mustard, sugar and pepper in small microwave-safe bowl to make sauce. Microwave on HIGH power 30 seconds or until warm. Serve sauce over burgers in buns. Add lettuce and tomato, if desired.