Mix the flour, salt and pepper in a large bowl or plastic bag
Dredge or shake the chicken to coat it well
Fry the chicken in a skillet in vegetable oil skin side down for about 10 minutes or until brown and crispy on medium high heat
Turn heat down and turn chicken over, skin side up, simmer for about 20 minutes more or until instant read thermometer reads 170 degrees and chicken is browned nicely
Remove chicken to a large dish
Scrape up grease from bottom of pan, removing any large chunks of skin, etc.
Add flour slowly, whisking as you add
Cook flour for a few minutes on medium heat, continue to whisk
Slowly add milk, while continuing to whisk
Let cook for a few minutes until gravy begins to thicken, whisking, whisking, whisking all the while