In a large bowl, combine balsamic vinegar, honey, garlic powder, and salt/pepper to taste. Add pork, bell peppers, and potatoes and toss until evenly coated.
Transfer to a sheet pan, turn the Ninja® Foodi™ Digital Air Fry Oven to Bake at 325 degrees. Adjust time to 30 minutes. After 60 seconds, place sheet pan into the oven.
When done, transfer meal to a serving platter and serve warm. Enjoy!