Spicy veggie pies with peanut butter mash

Name: Spicy veggie pies with peanut butter mash
Ingredients: 1 onion (185g), roughly chopped; 2 large garlic cloves; 25g ginger, peeled and chopped; 1 tsp ground turmeric; 1 tbsp each ground coriander and cumin; 1-2 tsp rapeseed oil; 400g can plum tomatoes; 2 celery sticks (150g), thinly sliced; 1 large aubergine (320g), diced; 320g sweet potato, cut into chunks; 2 tbsp tomato purée; 2 tsp vegetable bouillon powder; 1 bay leaf; 1 red chilli, deseeded and sliced; 2 x 400g cans black-eyed beans, undrained; 900g potatoes, cut into chunks; 75g chunky peanut butter; 1 tbsp lime juice; 1 tbsp unsweetened fortified almond or oat milk; 20g coriander, finely chopped