Boot camp shepherd’s pie Serves: 4 Ingredients 1 onion, finely chopped 3 cloves garlic 1 leek, finely chopped 1 carrot, peeled and diced 1 tbsp olive oil 500g turkey mince 1tbsp Worcestershire sauce 400g chopped tomatoes 1 tbsp tomato puree 1 tsp fresh thyme leaves chopped 700g sweet potatoes, peeled 500g cauliflower florets 2 tbsp