Lentil and black bean tacos

brown lentils

vegetable stock

x 400g tin black beans, drained but not rinsed (240g when drained)

smoked paprika

hot chilli powder

ground coriander

Black pepper

To serve: 4 mini flour tortillas or taco shells; taco toppings such as salsa, fresh coriander, avocado, tomato, cheese, sour cream