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portobello cheeseburgers

4
30 min

Grilled portobello mushrooms replace the meat patties, garnished with cheddar cheese, red onions, tomatoes, pickles and Boston lettuce. All topped with a homemade seasoned mayo.

  • 4 large portobello mushrooms
  • 15 ml (1 tablespoon) olive oil
  • 15 ml (1 tablespoon) steak spices
  • 1/2 small red onion, sliced into rings
  • 4 hamburger buns
  • 4 slices yellow cheddar
  • 1 tomato, sliced
  • 1 dill pickle, sliced
  • 4 Boston lettuce leaves

    For the seasoned mayonnaise :

  • 160 ml (2/3 cup) mayonnaise
  • 45 ml (3 tablespoons) relish
  • 30 ml (2 tablespoons) shallot, chopped
  • 20 ml (4 teaspoons) yellow mustard
  • 5 ml (1 teaspoon) paprika
  • 2.5 ml (1/2 teaspoon) garlic powder
 

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