Spicy Chicken Sandwich

Fried chicken sandwich
For making 8 of fried chicken sandwiches
Chicken breast: 4
Marinade:
Butter milk: 1 cup
Salt: 1 tsp
Chili powder: 1 tsp
Garlic: 2 cloves
Flour: 1/4 cup
Flour mixture:
Small potato pieces (optional)
Flour: 1 cup + 1/3 cup
Baking powder: 1 tsp
Chili powder: 1 tsp
Salt: 1/2 tsp
You can add some chicken marinade to the flour mixture to make small dough pieces for the crispiness.
Mayonnaise, ketchup, hot sauce and pickles