Cut the chicken breasts into bite-sized pieces.
In a bowl, mix flour with garlic powder, onion powder, salt, and pepper.
In another bowl, whisk together the egg and milk.
Place breadcrumbs in a third bowl.
Dip each chicken piece in the flour mixture, coating well.
Next, dip the floured chicken into the egg mixture.
Finally, coat the chicken with breadcrumbs.
Heat oil in a frying pan over medium heat.
Carefully place the nuggets in the hot oil and cook until golden brown, about 5 minutes per side.
Remove the nuggets and place them on a paper towel to drain excess oil.