Better than the bucket
Pour the (non-dairy) milk in to a large mixing bowl and soak the cubes of chicken in the (non-dairy) milk for ten minutes.
While the chicken is soaking combine the flour, baking powder, salt, and pepper in a another large mixing bowl.
Dredge the chicken in the flour mixture until you have an full and even coating on all the chicken pieces.
Add the chicken back to the (non-dairy) milk and allow it to soak for another five minutes.
Dredge the chicken in the flour a second time and let the chicken to rest for the five minute to allow the flour coating set.
Add the oil to your pot or frying pan and put over medium high heat and allow it to come up to temperature.
Add the chicken pieces in small batches to the pan and fry on each side until golden brown. Serve immediately.