1. Assemble all the ingredients.
2. Blend the apple juice, vinegar, and arrowroot in a blender.
3. Heat the peanut oil in a wok or large skillet over high heat, add the mushrooms, and stir-fry them for 5 minutes. Set them aside.
4. Add more oil to the wok, if necessary, and stir-fry the onions and peppers for 3 minutes. Set them aside.
5. Stir-fry the tofu and ginger for 3 minutes.
6. Add all cooked ingredients and the remaining ingredients to the wok and bring the contents to a boil over medium heat. Reduce the heat to low and simmer, covered, for 10 minutes, stirring often.