Crispy Autumn Veg Burgers With Apple Cider Slaw

Name: Crispy Autumn Veg Burgers With Apple Cider Slaw
Ingredients: 2 tablespoons olive oil; 2 leeks, trimmed and sliced; 1 small apple, chopped; 1/2 pound brussels sprouts, stems removed and sliced in half; 1/4 teaspoon salt; 1/4 teaspoon pepper; 2 tablespoons balsamic vinegar; 1 cup cooked quinoa; 1 1/2 cups chickpeas; 2 large eggs, lightly beaten; 1/3 cup flour; 1/4 teaspoon smoked paprika; 6 ounces harvarti cheese, sliced; 12 ounces sliced mushrooms; whole wheat buns; 1/3 cup apple cider; 2 tablespoons apple cider vinegar; 2 tablespoons honey; a pinch of salt and pepper; 1 head savoy cabbage, sliced and chopped