Step 1

Preheat the oven to 450°F.

Step 2

In a large bowl, using your hands or a spoon, combine the turkey, black beans, green onions, garlic powder, cumin, and chili powder until blended. Form into 4 patties. Sprinkle with 1/4 teaspoon pepper.

Step 3

Lightly coat a medium skillet with cooking spray. Cook the patties, covered, for 3 to 4 minutes on each side, or until no longer pink in the center.

Step 4

Serve the patties on the buns, topping the patties with the lettuce, tomato, avocado, and red onion.

Step 5

In a large bowl, stir together the potatoes, oil, chili powder, and 1/4 teaspoon pepper. Arrange the potatoes in a single layer on a large baking sheet. Bake for 20 minutes, or until crisp, turning once halfway through.