Preheat the oven to 375F
Pour the oil into the 9x13 baking dish
Place the drumsticks in the baking dish so they aren’t touching
Sprinkle half the garlic powder, onion powder, and pepper over the drumsticks
Bake the chicken in the preheated oven for 30 minutes
Turn the drumsticks over
Sprinkle the remaining garlic powder, onion powder, and pepper over the drumsticks
Bake another 30 minutes
Serve