Easy Mushroom, Potato & Aubergine Curry

Name: Easy Mushroom, Potato & Aubergine Curry
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: Indian
Ingredients: 1 tablespoon oil; 1 onion, roughly chopped; 2 cloves garlic, crushed; 1 large potato, chopped into small chunks; 1 aubergine, ends trimmed off and chopped into chunks; 250g (9 oz) closed cup mushrooms, chopped; 2-4 tbsp curry paste (depending on how hot you like it); 150 ml/ (1/4 pint or 1/2 cup plus 1 tablespoon) vegetable stock; 400 ml (14 fl oz) light coconut milk; fresh coriander, to serve