When ready to cook, heat a cast-iron skillet or flat-top to 600 degrees F. Cook each side of the burger for 2 minutes. Allow to rest for 5 minutes prior to serving. Add your favorite toppings to ...

Transfer half of the marinade to a Ziploc bag, add the duck hearts, toss around to coat, then marinate in the refrigerator for 2 to 3 hours. If using wooden skewers , soak them in water for at ...