Combine the meat, onion, garlic, salt and pepper. Form into patties.
Fire up your grill for direct cooking.
Brush the burgers with the glaze and place over direct heat. Sear, then flip. Brush with more glaze.
Continue cooking and glazing, flipping one more time, until the burgers reach 155 F internal temperature and they have a nice crusty exterior. Remove from grill and let rest.
Meanwhile, toast the buns as desired.
Serve burgers on buns with desired ingredients.
For the glaze
Whisk together all ingredients. Don't be shy with the glaze when applying.