Preheat grill, smoker or oven to 350 F.
In a bowl, add chicken, olive oil, egg, diced green onions, chopped chilies, chopped cilantro, salt, pepper, chili powder, garlic powder, cumin and oats and mix together well.
Divide mixture into 12 balls and roll, the mixture will be loose and messy but it will stick together when it goes on the grill or in the oven.
Place on the grill, smoker or in a pan in the oven and cook for roughly 20 minutes or until the center temperature is 165 F.
To make the chili lime slaw, add sliced green cabbage, purple cabbage, bell peppers and cilantro.
In another bowl, mix together the mayonnaise, lime juice, sugar, chili powder, cayenne pepper and a pinch of salt and pepper then add to the cabbage mixture and stir well.
To make the chili lime aioli, mix together mayonnaise, mustard, chili powder, garlic powder, salt, lime juice and pinch of sugar and mix together.
To assemble, add chicken meatballs, aioli or mayo and slaw to a mini bun, bun or roll and enjoy!