Shredded Beef and Caramelized Onion Enchiladas

Our good friends were coming over for dinner and I wanted to make something simple, hearty and delicious. I decided to do shredded beef enchiladas with black beans and caramelized onions. I let the beef cook for hours in the oven - my house smelled so good. The enchiladas were great, the meat was tender, spicy and flavorful while the onions were deliciously sweet. I topped them with a dollop of