This is Polish comfort food at its finest. Fried sauerkraut is a simple recipe that can be made with just a few ingredients, and it's perfect for a winter meal. The bacon and onion add a delicious depth of flavor to the sauerkraut, and it's all cooked until it's nice and mellow. Serve this kapusta with your favorite side dish, like mashed potatoes or egg noodles, and for a simple but satisfying weeknight treat.