Remove the giblets and neck from the turkey and discard.
Rinse the turkey inside and out with cold water and pat dry with paper towels.
Combine the garlic powder, pepper, rosemary, and salt in a small bowl and mix until blended.
Rub the olive oil over the entire turkey, making sure to get it into the cavity as well.
Sprinkle the spice mixture over the entire turkey, including the inside of the cavity.
Heat the peanut oil in a large pot or deep-fryer to 375 degrees Fahrenheit.
Carefully lower the turkey into the hot oil and cook for 3 to 4 minutes per pound, or until the internal temperature of the turkey reaches 165 degrees Fahrenheit.
Carefully remove the turkey from the hot oil and place it on a plate lined with paper towels to drain.
Let the turkey rest for 10 minutes before carving.
Interesting Facts
Deep-fried turkey is a popular dish in the southern United States.
Deep-fried turkey cooks faster than traditional roasted turkey.
Rosemary is a fragrant herb that is native to the Mediterranean.
Peanut oil has a high smoke point, making it an ideal choice for deep-frying.