Combine soy sauce, red onion, jalapenos, ginger, rice vinegar, sesame seeds in a small bowl.
Add the chicken to the crock pot and cover with the sauce.
Cook for 6-8 hours on low. When it has 30 minutes left to cook and the chicken can be easily shredded with a fork, break it into larger pieces. Continue cooking without the lid on so the sauce thickens up.
For a complete dinner, saute your favorite vegetables (7 minutes) and serve over rice or quinoa. You could even make a burrito!