2. Cut the corncob into sections, and peel and cut the carrots;
3. Put the ribs in an electric casserole and add a few drops of rice vinegar (adding vinegar can make the calcium of the ribs volatilize better, but don't put too much);
4. Put the cut corn and carrots into an electric cooker;
5. Add shallots and ginger slices;
6. Pour in the right amount of water;
7. Choose the mode of "Braised Pork Ribs" for the electric casserole, with a soup cooking trip of 1 hour;
8. After1hour, add some salt to taste according to your own taste;
9. Add about 1 teaspoon of white pepper to taste and serve.