In a mixing bowl, combine shredded cabbage, shredded carrots, diced bell peppers, and cooked chicken or tofu.
Add soy sauce, garlic powder, ginger powder, and black pepper to the mixture. Stir until everything is well combined.
Lay an egg roll wrapper flat on a cutting board, with one corner facing you.
Place about 2 tablespoons of the filling mixture in the center of the wrapper.
Fold the bottom corner of the wrapper over the filling, then fold the sides in and roll it up tightly. Seal the edge with a little water if needed.
Repeat the process with the remaining wrappers and filling.
Preheat the air fryer to 375°F (190°C) for about 5 minutes.
Lightly brush or spray the egg rolls with olive oil for extra crispiness.
Arrange the egg rolls in a single layer in the air fryer basket, ensuring they are not overcrowded.
Cook in the air fryer for 10-12 minutes, flipping halfway through, until they are golden brown and crispy.
Remove from the air fryer and let cool slightly before serving.