Turkey Tacos (Tacos de Guajolote)

Wilt onion in butter, add the tomatoes, and simmer for about 5 minutes. Stir in the peppers, turkey, salt and nuts. Warm the tortillas to make them pliable. Put some filling on each one, roll, fasten with picks, and fry to desired degree of doneness. Garnish with avocado slices, tomatoes, and sliced hard cooked eggs.