Lamb Burgers with Tzatziki and Grilled Onion

Deselect All

1 1/2 pounds ground lamb

2 teaspoons ground coriander

4 tablespoons finely chopped mint

Kosher salt and freshly ground black pepper

1 large red onion, peeled and cut into 4 thick slices

Olive oil

8 ounces (1 cup) Greek yogurt

1/4 cup minced cucumber

1 1/2 tablespoons finely chopped dill

Zest of 1/2 lemon (about 1/2 teaspoon)

1 clove garlic, minced

4 soft potato rolls, such as Martin's