Healthy Homemade Chicken Burger

Name: Healthy Homemade Chicken Burger
Prep time: 1 h
Cook time: 30 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 1 pound ground chicken (minced chicken); 1 cup soy granules; 2 medium carrots (finely chopped); 1 medium green pepper (green capsicum) (finely chopped); 1 medium yellow onion (cut into small cubes); 1 teaspoon ginger (finely chopped); 1 teaspoon garlic (finely chopped); 2 medium eggs; 1 teaspoon mixed herbs (usually Thyme, Marjoram, Oregano, Parsley, Sage, Basil); 1 pinch salt ( to taste); 1 teaspoon ground black pepper; 8 medium hamburger buns; 1 large tomato (cut into round slices); 1 medium cucumber (cut into round slices); 1 medium yellow onion (cut into rings); 2 tablespoons butter; 1 tablespoon olive oil; 4 tablespoons mayonnaise; 2 tablespoons mustard; 8 slices cheddar cheese; 1 teaspoon white vinegar; 4 - 8 leaves iceberg lettuce