Pulled Chicken Tacos

5 boneless chicken breast
1 32 oz container of Swanson Chicken broth
2 jalapeno peppers halved and cleaned (remove all seeds)
1 Serrano pepper halved and cleaned
1 green bell pepper cut in to strips
4 cloves of garlic
2 Chipotles chillies in adobo sauce (La Costena brand or some other)

Place all ingredients in crockpot and set to cook for 6 hours on high. Warm tortillas, add cheese and onion and viola.