Shepherd’s Pie | MushBoom

Ingredients

• 3 tablespoons olive oil
• 1 medium onion, finely diced
• 4 cloves garlic, crushed
• 1 carrot, diced
• 2 celery stalks, diced
• 2 stalks rosemary, leaves finely chopped
• 500 g diced mushrooms
• 1 cup vegetable stock
• 400 g can whole peeled tomatoes
• 2 tablespoons tomato paste
• 2 bay leaves
• 1/2 tablespoon chilli flakes
• 400g can of brown lentils, rinsed and drained
• salt
• pepper
• 1 kg sweet potato, peeled and chopped
• 70 g butter