Slice mushrooms and bamboo shoots.Mince garlic and ginger.Cube silken tofu.Store in fridge to use in the morning.Add everything except peas into the slow cooker and cook on low 8 hours.Add the peas to the slow cooker, and add more vinegar and chili if needed.Pour a few drop of sesame oil on top of each serving. If you like it milder and your friends like it hot, serve chili paste on the side.