Ingredients:

• 1 large lemon
• 1 cup full-fat, plain yogurt, preferably Greek-style
• 3 tablespoons extra-virgin olive oil
• 2 large garlic cloves, finely grated or pressed
• 2 teaspoons dried oregano
• 1 teaspoon salt, plus extra for seasoning
• 1/2 teaspoon freshly ground black pepper
• 4 bone-in, skin-on whole chicken legs (3 1/2 pounds)
• 1 pound fingerling potatoes, halved lengthwise, or baby Yukon gold or red potatoes, cut into 1-inch chunks, optional