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Prep Time: 5 mins
Cook Time: 15 mins
Servings: 8

Vegetarian Mushroom Burger with Grilled Greens

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This Vegetarian Mushroom Burger with Grilled Greens brings bold flavour to your vegetarian lineup. Meaty Portobello mushroom and bitter greens are enhanced with balsamic vinaigrette and served on a Villaggio® Toscana Extra Soft Hamburger Buns for a satisfying meatless meal.

Quick and Easy


  • 8 Villaggio® Toscana Extra Soft Hamburger Buns
  • 8 Portobello mushrooms, stemmed
  • 1 bunch Swiss chard, leaves separated and stem trimmed
  • 1/3 (75 mL) prepared balsamic vinaigrette, divided
  • 8 slices fontina cheese
  • 1 cup (250 mL) jarred roasted red peppers, drained and roughly chopped



  1. Preheat grill to medium-high; grease grates well.
  2. Toss mushrooms with 2 tbsp (30 mL) balsamic vinaigrette and Swiss chard with another 2 tbsp (30 mL).
  3. Grill mushrooms for 5 to 7 minutes per side or until grill-marked and tender.
  4. Grill Swiss chard leaves for 2 to 3 minutes per side or until grill-marked.
  5. Meanwhile toast buns, and brush with remaining balsamic vinaigrette.
  6. Fill each bun with some Swiss chard leaves, a grilled mushroom cap, a slice of fontina cheese and 2 tbsp (30 mL) chopped roasted red peppers.
  7. If serving fewer people, divide accordingly.

Substitute kale or radicchio for the Swiss chard, if desired.