Zucchini Burgers with Quick Pickles

Name: Zucchini Burgers with Quick Pickles
Ingredients: * 2/3 cup apple cider vinegar; * 2/3 cup water; * 1 tsp red pepper flake; * 32 cucumber slice, about 2 small cucumber; zucchini burger; * 2 small zucchini, shredded; * 1 1/2 cup cooked white bean, or 1 can rinsed and drained; * 1 cup whole wheat bread crumb; * 1 cup cooked brown rice; * 1/2 cup whole wheat flour; * 4 garlic clove; * 1/2 tsp salt and pepper each; * 1/2 tsp coriander; * 1 tsp dried oregano, thyme, and basil each; * 1 tsp onion powder; * 2 tb stone ground mustard; * 1/4 cup ketchup; * 1 cup shredded mozzarella cheese; * 2 egg, beaten; for serving; * 8 whole wheat burger bun