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: 500 grams of boneless chicken; 1 cup of soy granules; 2 medium-sized carrots, finely chopped; 1 capsicum, finely chopped; 1 onion, cut into small cubes; 1 teaspoon of ginger, finely chopped; 1 teaspoon of garlic, finely chopped; 2 eggs; 1 teaspoon of mixed herbs; salt to taste; 1 teaspoon of pepper powder; 8 burger buns; 1 large tomato, cut into round slices; 1 cucumber, cut into round slices; 1 onion, cut into rings; 2 tablespoons of butter; 1 tablespoon of oil; 4 tablespoons of mayonnaise; 2 tablespoons of American mustard sauce; 8 slices of cheese; 1 teaspoon of vinegar; lettuce leaves as needed; 8 toothpicks