Garlic Chicken and Potatoes

INGREDIENTS

• 4 skinless, boneless chicken breasts (1 1/2 to 1 3/4 pounds)
• Kosher salt and freshly ground pepper
• 1 lemon (1/2 juiced, 1/2 cut into wedges)
• 1/2 teaspoon cumin seeds (optional)
• 2 tablespoons chopped fresh cilantro or parsley
• 2 pounds small red-skinned potatoes, quartered
• 4 cloves garlic, finely chopped
• 2 tablespoons packed light brown sugar
• Pinch of red pepper flakes
• 3 tablespoons extra-virgin olive oil