Grilled Balsamic- Soy Portabella Mushrooms

READY IN: 1hr 10mins




  • Cut stem level to mushroom and clean mushrooms.
  • Mix together olive oil, balsamic, soy, garlic, red pepper and sesame oil in a large ziplock bag or shallow marinating dish.
  • Place mushrooms in bag with marinade and coat thoroughly; allow to sit for 1-3 hours, turning occasionally.
  • Slice onions about 1/4-inch thick and set aside.
  • Prepare grill, remembering to oil grate.
  • Place mushrooms on grill (using extra marinade for a baste), and onion slices on mesh grate on grill.
  • Drizzle onions with a little bit of olive oil and season with salt and pepper.
  • Cook, basting mushrooms occasionally, and turning once, about 10 minutes or until tender in center.
  • Do not burn onions or mushrooms (if they start cooking too fast, move them further from the hottest coals or heat source).
  • Serve mushrooms with grilled onions on a kaiser roll, if desired, along with aioli or mayo and provolone cheese.
  • You may microwave cheese on the mushroom for 45 seconds or so if you like it melted.