1Combine all ingredients except the pineapple and chicken in a food processor and process until smooth. Pour half of the mixture into a crockpot (I really like to use the crockpot liners-cleanup is so simple), nestle the chicken breasts into it in one layer, and pour the remainder on top. Top with the pineapple with the juice.
2Cook on low for 6 to 8 hours. When done, you should be able to just stir the pot and the chicken will shred automatically.
3Serve hot over rice, a baked sweet potato, or riced