BLACK BEAN AND WALNUT TACO-STYLE LETTUCE WRAPS

2/3 cup walnuts
1 tablespoon olive oil
1 teaspoon paprika
1 teaspoon chili powder
1 teaspoon cumin
1 can black beans, drained and rinsed
3 spring onion sliced
juice of 1/2 lime
onion (optional) sautéed to add flavor
leaves- approx. 6 large lettuce leaves 

1. Add the walnuts to the food processor along with olive oil and spices. Blitz until the nuts form a coarse crumb.
2. Sautéed onion and add black beans to onion for the last two minutes to heat up. 
3. Right before serving, fold in walnut mixture, lime juice and spring onions in pan. 
4. Serve immediately. Serve with the walnut and black bean taco meat in the lettuce leaves, with your choice of toppings (salsa, guac, tomatoes, olives).