This super flavorful marinade of yogurt, mint, orange zest and cardamom keeps the surface of the lamb from drying out, and gives it a great crust when you roast it. This doesn’t really need any sauce, but a dollop of harissa on the side wouldn’t be a terrible thing.

Makes: 6 to 8 servings
Time: 1 1/2 to 3 hours, largely unattended

Ingredients

• One 5- to 7-po…