Pan Roasted Chicken and Veggies

INGREDIENTS

• 1 1/2 lbs red potatoes, cut into 1 1/2-inch chunks
• 1 large onion, cut into wedges
• 4 garlic cloves
• 2 tablespoons olive oil
• 1 1/4 teaspoons salt
• 1/2 teaspoon black pepper
• 1/2 teaspoon dried rosemary
• 1 lb boneless skinless chicken thighs, each cut in quarters
• 1 (10 ounce) bag fresh spinach (remove stems)