Add ground chicken to bowl and set aside.Add onion and garlic to food processor and puree. Then finely chop the sun dried tomatoes, and mint. Add these ingredients to the bowl with ground chicken. Add in the egg, bread crumbs, parsley, oregano, salt and pepper and give a good mix. Then mix in the feta cheese and start forming into patties. Lay chicken patties on a baking sheet and put in fridge for 20 to 30 minutes to chill. The chicken patties are ready to cook. You can cook these on the stove top, oven or grill.