Slow Cooker Steak and Potato Soup with Cheddar

The broth gets its depth before it ever reaches the slow cooker. Steak browns in a hot skillet, vegetables soften in the same pan, and the flour gets a minute to cook before beef broth is whisked in. That little bit of skillet work gives this slow cooker steak and potato soup with cheddar a savory base instead of a thin, one-note broth.

I like chuck steak here because the long, gentle cook turns it fork-tender while the potatoes soften without disappearing into the soup. At the end, cream and sharp cheddar make the broth smooth and rich, with enough body to cling to the steak and vegetables.

Keep the cubes even, let the slow cooker do its work, and finish the cheese gently. The result is a hearty bowl with tender beef, soft potatoes, and a cheddar finish that still tastes like cheddar.

Why the Flour Goes Into the Skillet Before the Slow Cooker

It’s easy to think the slow cooker will take care of thickening on its own, but flour sprinkled into the pot can leave little lumps that are hard to work out later. Here, the vegetables soften first, then the flour is stirred into them and cooked briefly. That coats the vegetables and gives the flour a chance to lose its raw taste.

Whisking the broth in gradually is what turns that flour-coated mixture into a smooth base. Scrape up the browned bits from the skillet as you whisk; they bring the seared steak’s savory flavor along with them. Once the liquid reaches a simmer, those two minutes of cooking help the base come together before it goes into the slow cooker.

This is also why I don’t skip the skillet work, even when I’m aiming for a low-effort dinner. The slow cooker makes the beef tender, but the skillet builds the soup’s foundation. The cheddar and cream finish the texture later; they aren’t a substitute for a properly blended broth base.

What Chuck, Yukon Golds, and Sharp Cheddar Each Bring to This Pot

• Chuck steak — This cut has the richness and connective tissue that suit a long cook; it becomes tender as it cooks slowly in the broth. Trim away excess visible fat before cubing so the finished soup doesn’t feel greasy. Keeping the pieces a consistent size matters more than choosing a particularly expensive steak.
• Yukon Gold potatoes — Their creamy texture works well in soup, and they hold their shape better than a starchier potato that can break down during a long cook. Choose firm potatoes without soft spots. You can leave the skins on after scrubbing, or peel them if you prefer a smoother, more uniform bite.
• Yellow onion, carrots, celery, and garlic — This group builds the savory, gently sweet base around the beef. Fresh garlic gives the clearest flavor, while the vegetables can be everyday, good-quality produce; there’s no need to seek out specialty varieties. Dice them fairly evenly so they soften together in the skillet.
• All-purpose flour — Flour thickens the broth and helps it feel substantial before the dairy goes in. If you need a gluten-free version, a gluten-free 1:1 flour blend is the most practical replacement; use the same amount and cook it with the vegetables as described below. Different blends can thicken a little differently.
• Beef broth, Worcestershire sauce, and dried thyme — Broth supplies the main savory liquid, while Worcestershire adds a tangy, rounded note and thyme gives the pot an earthy edge. A standard beef broth works well; the sauce and herb bring plenty of character without needing a specialty stock.
• Heavy cream and sharp cheddar — Cream softens the sharpness of the cheese and gives the broth a velvety finish. Sharp cheddar brings a more pronounced cheese flavor than mild cheddar, so it stands up to the beef. For the smoothest result, use cheddar that’s freshly shredded rather than relying on pre-shredded cheese.

Build the Broth Thickener Before the Slow Cooker Does Its Work

Brown the steak in batches

Heat the vegetable oil in a 12-inch skillet over medium-high heat. Season the steak with kosher salt and black pepper, then brown it in batches for 5–7 minutes per batch; move each batch to a 6-quart slow cooker. Give the pieces space in the skillet so they brown rather than steam. A deep brown surface adds flavor to the soup base you’ll make in that same pan.

Soften the vegetables and cook the flour

Add the onion, carrots, and celery to the skillet and cook for 5–6 minutes, stirring occasionally, until they begin to soften. Stir in the garlic and cook for 30 seconds, just until fragrant. Add the flour and stir for 1 minute so it coats the vegetables. Keep stirring so the flour doesn’t settle and scorch against the pan.

Whisk a smooth base from the browned bits

Gradually whisk in the beef broth, Worcestershire sauce, and thyme, scraping the bottom of the skillet as you go. Adding the broth in stages makes it easier to smooth out the flour before the pan fills with liquid. Bring the mixture to a simmer and cook for 2 minutes. Pour it into the slow cooker, add the potatoes, and stir to distribute everything.

Let the beef and potatoes turn tender

Cover and cook on LOW for 7–8 hours or HIGH for 4–5 hours. The steak should be fork-tender, and a fork should slide into the potatoes without much resistance. If either is still firm, the soup needs more time on its chosen setting. Keep the lid on while it cooks so heat doesn’t escape.

Finish with cream and cheddar on WARM

Turn the slow cooker to WARM and stir in the heavy cream. Add the cheddar a handful at a time, then cover for 10–15 minutes until the cheese has melted. Stir until the soup looks smooth and the cheese is evenly dispersed. Adding the cheese gradually gives it time to melt into the warm soup instead of collecting in one heavy clump.

Three Changes That Keep the Soup’s Character Intact

The Questions That Come Up While This Soup Cooks

Slow Cooker Steak and Potato Soup with Cheddar

Slow cooker steak and potato soup with cheddar cooks chuck steak and Yukon Gold potatoes until fork-tender in a rich, creamy broth. Sharp cheddar melts in at the end for a smooth, cheesy finish.

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Prep Time 20 minutes mins

Cook Time 8 hours hrs 30 minutes mins

Total Time 8 hours hrs 50 minutes mins

Servings: 6 servings

Course: Dinner

Cuisine: American

Calories: 850

Ingredients Equipment Method Notes

Ingredients

  

• 2 tbsp vegetable oil
• 1.5 lb boneless chuck steak trimmed and cut into 3/4-inch cubes
• 1 tsp kosher salt
• 0.5 tsp black pepper
• 1 yellow onion medium, diced
• 2 carrots diced
• 2 celery ribs, diced
• 3 cloves garlic minced
• 0.25 cup all-purpose flour
• 5 cups beef broth
• 1 tbsp Worcestershire sauce
• 1 tsp dried thyme
• 1.5 lb Yukon Gold potatoes cut into 3/4-inch cubes
• 1 cup heavy cream
• 2 cups sharp cheddar cheese shredded

Equipment

• 1 12-inch skillet
• 1 6-quart slow cooker

Method

 

1. Heat the oil in a 12-inch skillet over medium-high heat.
2. Season the steak with the salt and pepper, then brown it in batches for 5–7 minutes per batch.
3. Transfer the steak to a 6-quart slow cooker.
4. Add the onion, carrots, and celery to the skillet and cook for 5–6 minutes, stirring occasionally.
5. Stir in the garlic and cook for 30 seconds.
6. Add the flour and stir for 1 minute.
7. Gradually whisk in the broth, Worcestershire sauce, and thyme, scraping up browned bits.
8. Bring to a simmer and cook for 2 minutes.
9. Pour the mixture into the slow cooker, add the potatoes, and stir.
10. Cover and cook on LOW for 7–8 hours or HIGH for 4–5 hours, until the steak is fork-tender and the potatoes are tender.
11. Turn the slow cooker to WARM and stir in the cream.
12. Stir in the cheddar a handful at a time.
13. Cover for 10–15 minutes, until the cheese is melted.
14. Stir until smooth.

Notes

For the smoothest finish, add the cheddar a handful at a time. Refrigerate leftovers for 3–4 days; freezing is not recommended because the cream and cheese may separate. For a lighter option, replace the heavy cream with half-and-half.

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