This 5-ingredient slow cooker beef stroganoff is my kind of weeknight comfort food: I toss everything into the crock in the morning, and by dinnertime the house smells amazing and dinner is basically done. It leans into the classic Russian-inspired stroganoff idea—tender beef in a creamy, savory sauce—but trims it down to just the essentials so it works for a busy workday. The slow cooker does all the heavy lifting, turning simple raw beef strips into a succulent, pull-apart protein tucked under a glossy, pale, mushroomy sauce.
Serve this slow cooker beef stroganoff spooned generously over wide egg noodles, mashed potatoes, or steamed white rice so all that velvety sauce has something to soak into. A crisp green side salad or simple steamed green beans or broccoli balances the richness without extra effort. If you have an extra minute, sprinkle chopped fresh parsley or chives on top for a little color. Warm dinner rolls or buttered toast on the side are perfect for swiping up the last of the creamy sauce from the slow cooker.
5-Ingredient Slow Cooker Beef Stroganoff
Servings: 6

Ingredients
2 pounds beef sirloin or round, cut into thin strips
2 (10.5-ounce) cans condensed cream of mushroom soup
1 (1-ounce) packet dry onion soup mix
1 cup beef broth (low sodium preferred)
1 1/2 cups sour cream (full fat, room temperature if possible)
Directions
Add the condensed cream of mushroom soup, dry onion soup mix, and beef broth to the slow cooker. Whisk or stir until the mixture is mostly smooth and combined into a pale, creamy sauce base.
Add the raw beef strips directly into the slow cooker, separating any pieces that are stuck together. Stir well to coat all the beef in the sauce, making sure the meat is mostly submerged in the liquid.
Cover the slow cooker with the lid and cook on LOW for 7 to 8 hours, or on HIGH for 3 1/2 to 4 hours, until the beef is very tender and easily pulls apart with a fork. Avoid lifting the lid frequently so the slow cooker can maintain heat and cook evenly.
Once the beef is tender, turn the slow cooker to the WARM or LOW setting. Stir the contents well so the beef shreds slightly into the sauce, giving it a fibrous, fall-apart texture under the creamy surface.
In a medium bowl, stir the sour cream until smooth. Ladle in a small scoop of the hot cooking liquid from the slow cooker and whisk it into the sour cream to gently warm and loosen it. This helps prevent curdling.
Pour the warmed sour cream mixture into the slow cooker. Stir gently but thoroughly until the sauce becomes glossy, pale, and velvety, with the tender beef hidden under the creamy coating.
Taste the stroganoff and adjust seasoning if needed with a pinch of salt and pepper, keeping in mind that the soup mix and broth already add saltiness. Cover and let it sit on WARM for about 10 minutes to let the flavors meld and the sauce thicken slightly.
Serve the beef stroganoff hot, straight from the slow cooker, over cooked egg noodles, mashed potatoes, or rice, making sure to ladle plenty of the creamy sauce over each portion.
Variations & Tips
For extra flavor without adding more ingredients, you can brown the beef strips in a skillet over medium-high heat before adding them to the slow cooker, but this is totally optional—the recipe is designed for true dump-and-go convenience. If you like mushrooms, you can swap one can of cream of mushroom soup for cream of chicken or cream of onion to change the flavor slightly while still keeping it to five ingredients. To stretch the meal, stir in cooked egg noodles directly into the slow cooker at the very end, adding a splash more broth if needed to keep everything saucy. For a lighter version, use light sour cream and trim any visible fat from the beef; just know the sauce will be slightly less rich. Food safety tips: Always start with fresh, refrigerated beef and keep it chilled until you’re ready to add it to the slow cooker. Do not cook this recipe on the WARM setting; use LOW or HIGH only, so the beef moves quickly through the temperature danger zone (40°F–140°F). Make sure the mixture comes up to at least 165°F in the center of the slow cooker by the time it’s done. Don’t add the sour cream at the beginning, as extended high heat can cause it to separate; always stir it in at the end once the beef is cooked. Refrigerate leftovers within 2 hours of cooking in shallow containers, and reheat gently over low heat on the stove or in the microwave until steaming hot, avoiding boiling to keep the sauce smooth.