Toss mushrooms in soy sauce, half of the oil, black pepper and half of the garlic powder until fully coated. Add mushrooms to a sheet pan lined with parchment paper. Add chickpeas to the sheet pan and coat with oil, garlic powder and black pepper. Roast for 30-35 minutes.
Add all dressing ingredients to a processor or blender, blend until smooth.
Add cooked mushrooms and chickpeas to a large bowl along with lettuce. Pour dressing over and toss until fully combined.
Add ½ of your filling to a warmed wrap or burrito shell and roll burrito style. I recommend googling how to do this.