Step 1

In a small bowl, combine egg, vinegar, Worcestershire sauce, hot pepper sauce, and onion and celery salts.

Step 2

Place chicken pieces in a large bowl and pour vinegar mixture over it. Cover and marinate 2 hours or overnight in the refrigerator, turning chicken several times.

Step 3

Preheat oven to 400 degrees F. Melt butter in a large shallow baking dish in oven.

Step 4

Place potato flakes in a shallow dish and roll chicken pieces in flakes until well coated. Place chicken pieces skin-side down in baking dish into melted butter.

Step 5

Bake 30 minutes. Turn chicken pieces and bake 25 to 30 more minutes, or until cooked through.