Sesame grilled portobellos with sriracha mayonnaise

SmartPoints® value per serving
Total Time
33 min
10 min
15 min
Meatless at its best! This asian-inspired grilled vegetarian feast ready is in under 30 minutes. Full of zesty flavor and some heat to boot, these grilled onions and mushroom caps are meaty without the meat. Topped with the summer's best tomato slices and some of the spicy mayonnaise, you only need a small salad or some rice to finish the plate and fill your belly. Reserve some of your sauce without heat for kids to try and the vegetables grilled goodness is hard to resist. This recipe is easy to multiply to serve a crowd and also makes a great side dish for an al fresco buffet.


Cooking spray

1 spray(s)

Reduced calorie mayonnaise


Ginger root

1½ tsp, grated peeled fresh

Sriracha chili sauce

1 tsp

Fresh mint leaves

3 Tbsp, chopped

Low sodium soy sauce

2 Tbsp

Canola oil

2 tsp

Dark sesame oil

1 tsp, (Asian)

Uncooked red onion(s)

1 large

Portobello mushroom(s)

4 large, caps only

Fresh tomato(es)

4 slice(s), beefsteak variety, thickly sliced


  1. Spray grill rack with nonstick spray. Preheat grill to medium or prepare medium fire.
  2. Stir together mayonnaise, ginger, Sriracha, and 1 tablespoon mint in small bowl.
  3. Stir together soy sauce, canola oil, and sesame oil in another small bowl. Cut 4 (½-inch-thick) slices from center of onion (reserve remaining onion for another use).
  4. Place onion slices and mushrooms, rounded side down, on grill rack. Brush with half of soy sauce mixture and grill 6 minutes. Turn onion slices and mushrooms, brush with remaining soy sauce mixture, and grill until tender, 6–7 minutes longer.
  5. Place mushrooms, rounded side down, on 4 serving plates. Top each mushroom with tomato slice and onion slice and top evenly with mayonnaise mixture. Sprinkle evenly with remaining 2 tablespoons mint.
  6. Per serving (1 stuffed mushroom and generous 1 tablespoon sauce)


Enjoy this vegetarian meal with a side of farro or brown rice (½ cup cooked farro per serving will increase the SmartPoints by 3 while 1/2 cup cooked brown rice will up the per-serving SmartPoints by 4).