From 'The EveryGirl’s Guide to Cooking' by Maria Menounos
Without the bun, this recipe is diabetic-friendly!
Warm 2 tablespoons of the oil in a large skillet over medium-low heat. Cook the onion, mushrooms, garlic, and salt and pepper to taste until the mushrooms are soft, stirring.
In a large bowl, combine the egg, mushroom mixture, walnuts, parsley and breadcrumbs. Form 4 patties, using about 1/2 cup per patty.