When you're ready to cook, put 2 to 4 tablespoons of used oil in a skillet large enough to hold turkey pieces in one layer; set heat at medium-low. (Use leftover oil for other purposes.) Cook turkey pieces slowly, turning once or twice, until browned and crisp, 10 to 20 minutes. Serve hot, warm or at room temperature, alone or over a bed of greens with a little dressing.