2. Put the eggs in cold water, and it is easy to peel the eggshell after soaking in cold water;
3. Pour 1 can of cola, 1 tablespoon of soy sauce, 20 peppers, 2 teaspoons of salt and appropriate amount of water into a pot, and put it on a gas stove to boil;
4. Put the peeled eggs into the boiled marinade and cook for 5 minutes, then turn off the fire;
5. Pour the eggs and gravy into a large bowl, cool and cover with plastic wrap;
6. Put it in the refrigerator for 24 hours before eating.