Retain the oil from the chicken and return the skillet to high heat. Next, add in the garlic and onions and sauté for 2 minutes, mixing occasionally.
Next, add in the broccoli and sauté for 4 minutes, mixing occasionally.
Next, add in the sweet potatoes, salt, black pepper, and sauté for 2 minutes, mixing occasionally.
Lower the skillet to medium heat and add in the cooked chicken and BBQ sauce. Cook for 5 minutes, mixing occasionally.
Serve the chicken bites with sweet potatoes and broccoli as the main entrée. Make a double batch to have leftovers for lunches.