Dinner · Part 3 of 3: Tips & recipe card
Slow Cooker Creamy Onion Cube Steaks Tips, FAQ & printable recipe

- Prep
- Cook
- Total
- Serves
- 5
Tips for success
For a deeper flavor, you can briefly sear the cube steaks in a hot skillet with a little oil before placing them in the slow cooker. This adds a nice caramelized crust to the meat that enhances the overall richness of the final gravy. If you choose to sear, ensure the pan is very hot and only cook for about one minute per side so the meat does not overcook before entering the slow cooker.
If you prefer a thinner gravy, consider adding a quarter cup of beef broth to the slow cooker before turning it on. This will help prevent the sauce from becoming too concentrated as it cooks.
If the gravy is still too thick after the cooking time, you can stir in a small amount of warm water or additional beef broth until you achieve your preferred consistency, making sure to adjust the seasoning with a pinch of salt if needed.
Variations
- Peppery Mushroom Steak: Add one tablespoon of cracked black pepper to the dry onion soup mix before sprinkling it over the steak. The extra heat from the pepper pairs beautifully with the earthy notes of the mushroom gravy, creating a bolder flavor profile that stands up well to the richness of the beef.
- Garlic Herb Variation: Incorporate two cloves of minced fresh garlic and a teaspoon of dried thyme into the mix. These aromatic additions brighten the heavy flavors of the cream of mushroom soup and add a sophisticated herb note that transforms the dish into a more refined, bistro-style meal.
Storage and make-ahead
- Fridge
- Store in an airtight container for up to 3 days.
- Freezer
- Freeze in a freezer-safe container for up to 2 months.
- Reheat
- Thaw overnight in the fridge and reheat on the stovetop over low heat or in the microwave until steaming hot.
Allow any leftovers to cool completely at room temperature for no more than two hours before transferring them to an airtight container. Place the container in the refrigerator immediately to keep the food safe. Properly stored, the cube steaks and gravy will remain fresh for up to three days. When reheating, ensure the beef is heated thoroughly until it is steaming hot throughout to maintain the best quality and safety.
You can prepare the onion and beef layers in the slow cooker insert the night before and store it in the refrigerator. In the morning, simply place the cold insert into the slow cooker base and start the cooking process.
This is an excellent strategy for those who need to have dinner ready as soon as they walk through the door. Never let the meat sit out on the counter; keep it chilled until the moment you turn on the slow cooker.
Serving ideas
Serve these creamy cube steaks over a bed of fluffy mashed potatoes to soak up the rich mushroom and onion gravy. The starch of the potatoes provides a perfect neutral base that complements the savory beef.
Alternatively, buttered egg noodles or a side of steamed green beans can add a fresh, bright contrast to the hearty, heavy flavors of the slow-cooked meat. A simple side salad with a vinaigrette dressing also works well to cut through the richness.
For a complete meal, consider serving this dish with crusty bread or warm dinner rolls. The bread is excellent for mopping up every last drop of the creamy sauce from the plate.
If you are looking for more texture, roasted carrots or root vegetables make a wonderful addition to the plate, echoing the earthy notes of the mushroom gravy. Present the dish hot, directly from the slow cooker, to ensure the sauce remains at its best, velvety consistency for your guests.
Frequently asked questions
Can this be made ahead of time?
Why does the sauce become too thick?
Can this recipe be frozen for later?
Slow Cooker Creamy Onion Cube Steaks

Ingredients
- 5 whole beef cube steaks
- 1 large yellow onion, sliced into half-moons
- 1 packet dry onion soup mix
- 1 can (10.5 oz) condensed cream of mushroom soup
Instructions
- Place the whole beef cube steaks into the bottom of the slow cooker, overlapping them slightly like shingles to ensure even cooking throughout the process.
- Top the steaks with the sliced onions. Evenly sprinkle the dry onion soup mix over the onions, then spread the condensed cream of mushroom soup over the top to create the base for the gravy.
- Cover and cook on low for 6 hours until the beef reaches an internal temperature of at least 145°F (63°C). Once cooked, let the meat rest for 5 minutes before serving to ensure tenderness.
Estimated nutrition per serving
- Calories
- 420
- Protein
- 32.5 g
- Carbohydrates
- 12 g
- Fat
- 26 g
- Fiber
- 1.5 g
- Sugar
- 3 g
- Sodium
- 850 mg
This recipe is based on a short cooking video and is published under the pen name Clara Weller. It was checked before publication, but errors can slip through. Nutrition, when shown, is an estimate. Read more in our editorial policy and on our food safety page.






