Slow Cooker Cube Steak

By: Susan Updated on Tue, 11 Aug 2026 16:42:39 GMT Slow Cooker Meals

Tags: #cube-steak #slow-cooker #beef #comfort-food #family-meals

Slow cooker cube steak with mushroom gravy over mashed potatoes Pin it
Slow cooker cube steak with mushroom gravy over mashed potatoes

Slow Cooker Cube Steak is the kind of dinner that makes the kitchen smell settled and warm long before anyone asks what is for supper. The meat cooks until it is tender enough to cut with a fork, and the gravy turns rich with onions, mushrooms, and the browned bits from the skillet.

I like this version because it keeps the familiar creamy gravy but still gives the steak a quick sear first. That small step gives the sauce better flavor and keeps the pieces from tasting flat after a long cook.

What Makes The Gravy Rich

The best slow cooker cube steak starts with a few humble ingredients that know their job. Choose cube steaks that look evenly tenderized, with a little marbling if you can find it, and use low-sodium broth so the packaged soup mix does not take over.

Ingredients for slow cooker cube steak with mushrooms and gravy
Ingredients for slow cooker cube steak with mushrooms and gravy
  • Cube steak. The thin tenderized beef softens slowly and becomes fork-tender in the gravy.
  • Flour. A light coating helps the steaks brown and gives the sauce body.
  • Yellow onion. Sliced onion melts down and sweetens the gravy as it cooks.
  • Mushrooms. Cremini or white mushrooms add savory depth and a soft bite.
  • Cream of mushroom soup. This gives the gravy its creamy base and familiar comfort-food flavor.
  • Beef broth. Broth thins the sauce just enough and keeps the flavor beefy.
  • Onion soup mix. A small packet seasons the whole pot with onion, herbs, and salt.
  • Worcestershire sauce. A little splash sharpens the gravy and balances the creaminess.
  • Cornstarch slurry. This thickens the sauce at the end without making it pasty.

Slow Cook It Tender

  1. Season and flour the beef. Pat the cube steaks dry, then coat them lightly with seasoned flour. Shake off the extra so the skillet does not get gummy.
  2. Brown both sides. Sear the steaks in hot oil for about 2 minutes per side. They do not need to cook through yet. You just want color.
  3. Layer the cooker. Put sliced onions and mushrooms in the slow cooker, then lay the browned steaks over the top.
  4. Mix the gravy. Whisk the soup, broth, onion soup mix, Worcestershire, garlic powder, thyme, and black pepper until smooth. Pour it over the beef.
  5. Cook low and slow. Cover and cook on low for 6-7 hours, until the steak is tender and the onions have softened into the sauce.
  6. Thicken and finish. Stir in the cornstarch slurry, cover, and cook for 15-20 minutes more. Taste before adding salt because the soup mix is already seasoned.
Steps for making slow cooker cube steak with mushroom gravy
Steps for making slow cooker cube steak with mushroom gravy

The Sear Is Worth It

Cube steak can go straight into the slow cooker, but a quick skillet sear changes the whole dish. The flour browns at the edges and gives the gravy a toasted flavor that you will miss if everything goes in raw. Keep the coating light. A heavy flour layer turns pasty in the sauce.

Do not crowd the pan. If your skillet is small, brown the steaks in two batches. You only need a couple of minutes per side, so the extra batch does not add much time.

Getting The Sauce Right

The gravy should be creamy, savory, and spoonable. It should not be gluey. Low-sodium beef broth gives you room to season at the end, which matters because onion soup mix and canned soup can be salty. If the sauce tastes too strong near the end, stir in a splash of unsalted broth or hot water.

For safety, beef steaks should reach 145 F with a short rest, according to the FoodSafety.gov minimum temperature chart. This recipe cooks well past that point for tenderness, but a thermometer is still the cleanest way to check food safety.

Swaps For What You Have

White mushrooms, cremini mushrooms, or baby bella mushrooms all work. If your family does not like mushrooms, use cream of celery soup and leave the sliced mushrooms out. For more beef flavor, replace half the broth with unsalted beef stock.

To make it a little lighter, use one can of reduced-fat cream of mushroom soup. For a gluten-free version, use gluten-free condensed soup, gluten-free onion soup mix, and cornstarch instead of flour for dusting the steak.

Serving It Like Supper

Mashed potatoes are the obvious landing place for this gravy, and they are never wrong. Egg noodles are quicker and soak up the sauce in a different way. Rice works too, especially if you want a softer, simpler plate for kids.

Add something green so the meal does not feel too heavy. Steamed green beans, peas, or a sharp little side salad are enough. The gravy is rich, so a bright vegetable helps.

Leftovers That Stay Tender

Store the steak with plenty of gravy so it does not dry out. FoodSafety.gov lists cooked meat and poultry leftovers at 3-4 days in the refrigerator on its cold food storage chart. Use shallow containers so the food cools quickly.

Reheat slowly in a covered skillet over low heat. Add a spoonful of broth or water if the gravy has tightened in the fridge. The microwave works, but use short bursts and stir the gravy between them.

Summary

This slow cooker cube steak is simple, hearty, and best served over something that catches every spoonful of gravy.

Tender cube steak in mushroom gravy over mashed potatoes
Tender cube steak in mushroom gravy over mashed potatoes

FAQs

Do I have to brown cube steak before slow cooking?

You can skip browning if you are short on time, but the finished gravy will taste better if you sear the steaks first. The flour coating also helps the gravy cling to the meat instead of sliding off.

Can I use round steak instead of cube steak?

Yes, but it should be tenderized or pounded thin before cooking. Cube steak has already been mechanically tenderized, which is why it softens so nicely in the slow cooker.

How long should cube steak cook in the slow cooker?

Cook it on low for 6-7 hours for the most tender texture. High heat works in about 3-4 hours, but low heat gives the gravy more time to soak into the meat.

Can I make this without cream of mushroom soup?

Yes. Use cream of celery soup, cream of chicken soup, or a homemade white sauce with beef broth and sauteed mushrooms. The flavor changes a little, but the method stays the same.

How do I store slow cooker cube steak leftovers?

Store the steak and gravy in a shallow airtight container in the refrigerator for 3-4 days. Reheat gently on the stove or in the microwave until hot, adding a splash of broth if the gravy thickens too much.

What should I serve with cube steak and gravy?

Mashed potatoes are the classic choice because they hold the gravy so well. Buttered egg noodles, white rice, green beans, peas, or roasted carrots also fit this meal without much extra work.

References

Sources cited in this recipe.
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Slow Cooker Cube Steak

Prep time:
15 min
Cook time:
420 min
Total time:
435 min
Servings:
6
Slow cooker cube steak with mushroom gravy over mashed potatoes
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Fork-tender cube steak cooked low and slow in a creamy mushroom onion gravy, made for cozy family dinners.

Ingredients

  • For the cube steak

  • For the mushroom gravy

  • For serving

Instructions

1.

1. Coat the steaks: Pat the cube steaks dry. In a shallow dish, mix the flour with 1/2 teaspoon kosher salt and 1/4 teaspoon black pepper. Dredge the steaks lightly and shake off excess flour.

2.

2. Brown the beef: Heat the olive oil in a large skillet over medium-high heat. Brown the cube steaks for about 2 minutes per side, working in batches if needed. Transfer them to the slow cooker.

3.

3. Add the vegetables: Scatter the sliced onion and mushrooms around and over the browned steaks in the slow cooker.

4.

4. Mix the gravy: In a bowl, whisk the cream of mushroom soup, beef broth, onion soup mix, Worcestershire sauce, garlic powder, thyme, remaining salt, and remaining pepper until mostly smooth.

5.

5. Slow cook: Pour the gravy mixture over the steaks. Cover and cook on low for 6-7 hours, or on high for 3-4 hours, until the steak is fork-tender.

6.

6. Thicken the sauce: Stir the cornstarch and cold water together, then gently stir the slurry into the slow cooker gravy. Cover and cook on high for 15-20 minutes, until the gravy thickens.

7.

7. Serve: Taste the gravy and adjust seasoning only if needed. Serve the cube steak and mushroom gravy over mashed potatoes, egg noodles, or rice, with parsley if you like.

Good to know

  1. Cook on low for the most tender cube steak.
  2. The gravy thickens more as it rests for 5-10 minutes.
  3. Best served with mashed potatoes, noodles, or rice.

Equipment

  • 6-quart slow cooker
  • Large skillet
  • Mixing bowl
  • Whisk
  • Tongs

Allergens

Always check labels if you have allergies.
  • Dairy
  • Gluten
  • Soy may be present in condensed soup or onion soup mix
  • Fish may be present in Worcestershire sauce

Nutrition facts

Values are estimates per serving.
  • Calories: 430
  • Fat: 24 g
  • Carbs: 18 g
  • Protein: 35 g