1 /2 cup canola oil 3 medium onions, chopped 3 medium green bell peppers, seeded, chopped 6 cloves garlic, minced 5 lbs. ground turkey 2 1 /2 pints chili suce 1 /3 cup Worcestershire sauce salt to taste 1 1 /2 tsps. black pepper 20 hamburger buns, split, toasted