This is edible. Walnuts and red dates can be added to the food to make soup and stew. These four foods have no interaction and can be mixed together. Practice: 1. Soak the bovine brain in clear water, tear off the film, remove the red tendons, put the bovine brain and beef in boiling water for 3 minutes, take them out and wash them. 2. Put walnut kernels and red dates in a vessel for a moment, then turn them in boiling water for 3 minutes, then take them out and wash them. 3. Put the bovine brain, walnut kernel, red dates and beef into a vessel, add three cups of boiling water, and add salt to taste after 40 minutes of medium fire.

I hope the content of the appeal can help you adopt it.