Step 1

Scrape gills from mushroom caps with a spoon, if desired.

Step 2

Combine vinegar, oil, and salt in a shallow dish or large zip-top plastic freezer bag; add mushrooms, turning to coat. Cover or seal, and chill 1 hour, turning occasionally. Remove mushrooms from marinade, discarding marinade.

Step 3

Grill mushrooms, covered with grill lid, over medium-high heat (350° to 400°) 3 to 4 minutes on each side or until tender.

Step 4

Serve mushrooms on buns with slaw.

Step 5

Note: Nutritional analysis includes 1/2 cup slaw.