Step 1

In a large mixing bowl, make the sauce by whisking together the chicken broth, soy sauce, vinegar, hot sauce, cornstarch, and brown sugar.

Step 2

Place the meatballs, bell pepper, and onion in the slow cooker, and pour the sauce on top.

Step 3

Cover and cook until the vegetables are soft and the sauce has thickened, 3 hours on high or 6 hours on low.

Step 4

Serve the meatballs out of the slow cooker on warmer.