Spicy Lentils and Chickpeas

Spicy Lentils and Chickpeas: Serves 4 Preparation time 15 minutes Cooking time about 35 minutes Ingredients 1 tablespoon groundnut oil 1 onion, finely chopped 2 garlic cloves, thinly sliced 2 celery sticks, diced 1 green pepper, cored, deseeded and chopped 150 g (5 oz) red lentils, rinsed 2 teaspoons garam masala 1 teaspoon cumin seeds ½ teaspoon hot chilli …