Recipes and ingredients vary widely, but the dish always contains potatoes with, variously, onions, carrots, other vegetables, roast beef, corned beef, minced beef or other meat.
en.wikipedia.org The meat can be either raw or cooked; it is minced and mixed with chili, mint and, optionally, assorted vegetables.
en.wikipedia.org It is very finely minced, and identified by being in a red casing, just as black pudding is sold in a black casing.
en.wikipedia.org The sauce is generally made with "gochujang" (chili pepper paste), chili pepper powder, vinegar, sugar, salt, minced garlic, and sesame oil.
en.wikipedia.org