Veggie Flax Burgers

Name: Veggie Flax Burgers
Ingredients: 1 (6 1/2 ounce) jar artichoke hearts, drained and quartered; 1 teaspoon garlic, chopped; 1⁄4 cup green onion, chopped; 4 tablespoons fresh parsley (or 2 tsp. dried); 3⁄4 cup cooked garbanzo beans, drained and rinsed; 3⁄4 cup cooked kidney bean, drained and rinsed (or black beans); 3 tablespoons ground flax seed; 2 tablespoons roasted tahini (or other nut butter); 1⁄4 teaspoon fresh ground black pepper; 1⁄2 cup cooked brown rice (or millet); 4 hamburger buns