Roast Chicken, Heaps of Vegetables & Gravy

Ingredients

• 500g carrots, washed and chopped into chunks
• 320g large red onions, thickly sliced
• 500g butternut squash, peeled and chopped into chunks
• 3 sprigs of rosemary
• 3 tbsp. olive oil
• 4 garlic cloves, whole, unpeeled and crushed
• 1 x 1.4kg whole chicken (160g cooked meat per person)
• 640g new potatoes, skins on and halved
• 1 lemon
• 200g green beans, topped and tailed
• 1 1/2 cups of boiling water
• 1 tbsp. cornflour mixed well with 2 tbsp. cold water