Black bean lettuce wraps

Though these are not very beautiful to look at, they are so good, super easy and very low in fat and calories. 
2- 15 oz. cans black beans, drained
1 avocado, diced
1/2 green bell pepper, chopped
1/2 onion, diced
2 cloves garlic, minced
1-2 c. favorite salsa
2 T. lime juice
1 t. ground cumin
1/2 - 1 t. chipotle pepper seasoning (optional)
1 c. cilantro, finely chopped
8 large romaine lettuce leaves

Place beans over med heat.  Add remaining ingredients, excluding romaine and heat until heated through about 5 min.  Place 1/4 c. of filling in the center of each lettuce leave like a taco and serve.

Serves 4