Whisk together the soy sauce, seasoned rice vinegar, hoisin sauce, sesame oil, chili garlic sauce, ground ginger, and black pepper in a mixing bowl.
Place the boneless skinless chicken thighs in the bottom of a slow cooker. Pour the sauce mixture over the chicken.
Cover and cook on low for 6-8 hours or on high for 3-4 hours until the chicken shreds easily.
Remove chicken, shred and stir it back into the crock pot.
Stir in the snow peas, sliced red bell pepper, chopped broccoli, peeled and chopped carrots, and the water chestnuts. Cover and cook on high for 10-20 minutes until the vegetables are tender.
While the vegetables are cooking, prepare the lo mein noodles according to the package directions until al dente.
Stir the noodles into the sauce in the crock pot.
Serve topped with the green onions and sesame seeds. Enjoy!
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Notes
Once the vegetables are added to the crock pot, watch them closely so that they are not over cooked. You can easily add in vegetables that you would prefer in this crock pot recipe. Refrigerate the leftovers in an airtight container for up to 5 days.