Vegan Keema Pie

Ingredients

• 2 tins green lentils (or 400g cooked) 1 onion diced
• 2 peppers diced
• 2 carrots peeled and diced
• 150g frozen peas
• 1cm fresh ginger, grated
• 2 tsp garlic granules
• 2 tbsp curry powder
• 3 tbsp tomato puree
• 2 vegetable stock cubes made up with 450ml boiling water
• Juice of half a lemon
• Oil
• Salt & pepper
• 1/4tsp Marmite
• 500g potatoes (suitable for mashing)
• 250g sweet potatoes
• 1/4tsp turmeric powder