Chop the cabbage. Grate the carrots on a coarse grater. Cut the bell pepper into thin strips. Cut the onions into thin half-rings.
Dressing: mix vegetable oil, salt, sugar, and vinegar.
Mix all the ingredients for the salad, pour over the dressing, and mix thoroughly.
Let the cabbage salad with peppers, carrots, and onions brew for two hours. Then you can spread the salad into clean jars, cover it with lids, and put it in the refrigerator. In this form, the salad is ready to eat.