Dijon Mustard Roasted Hen

Ingredients

• 1 whole hen
• 1 onion, cut in six
• 1 ½ lb multi-colored fingerling potatoes
• 7 heirloom carrots, peeled and cut
• Salt and pepper to taste
• 2 cloves of garlic
• 2 tsp fresh thyme
• 5 tbsp olive oil, divided
• 1 whole lemon, quartered
• ⅓ cup dijon mustard