place 2 cups of brown sugar and 2 cups of shoyu in a big enough pot for the chicken

put the stove on a medium to high heat and stir the brown sugar and shoyu mixture until the brown sugar dissolves

add chicken thighs to the shoyu and brown sugar mixture

cut up the garlic into halves and place into the pot

let the chicken boil for 30 minutes

turn the heat down to medium to low heat and cover

the chicken is ready to eat once the center is no longer pink