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Slow Cooker Steak and Mushroom Soup: A Busy Day Lifesaver

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Steak and Mushroom Slow Cooker Soup combines round beef steak with mushrooms and a flavorful broth. This recipe creates a quick-to-assemble soup you can put in a slow cooker and forget about until dinner time.

STEAK AND MUSHROOM SLOW COOKER SOUP

Is your freezer a black hole?

Recently, a package of round steak was found hanging out at the bottom of my freezer. It was still safe to eat but had a little bit of freezer burn. Just slightly past its prime. Evidently, it fell down the black hole in my freezer.

Round steak is not particularly good for a walk-in-the-door-and-eat-10-minutes later kind of menu. It’s more tender when cooked with moisture.

Consequently, I started thinking about soup in a slow cooker. The result is this tasty recipe for Steak and Mushroom Slow Cooker Soup. The recipe is my own but I was inspired

The original idea originated with the prime rib soup at Harrigan’s restaurant (sadly, long gone in our area).  It used to be one of my favorites on their menu along with New Orleans potatoes and Cheesy Yeast Rolls.

Notice I don’t use prime rib in this recipe because I don’t normally have such elegant leftovers. But round steak is very tasty, especially when cooked in a slow cooker.  Prime rib couldn’t stand cooking all day anyway.

If you make this recipe and enjoy it, consider helping other readers and me by returning to this post. Leave a rating on the recipe card itself underneath the picture. Although always appreciated, comments aren’t required. Thank you for visiting! Paula

Slow Cooker Steak and Mushroom Soup: A Busy Day Lifesaver

Slow Cooker Steak and Mushroom Soup: A Busy Day Lifesaver

Yield: 4-6
Prep Time: 20 minutes
Cook Time: 10 hours
Total Time: 10 hours 20 minutes

Beef and mushrooms dominate this hearty and filling soup.

Ingredients

  • 2 slices bacon
  • 1-2 pounds round steak, cut in 1-inch cubes
  • 1 cup frozen chopped onions
  • 8 ounces fresh mushrooms, sliced
  • 5 cups water
  • 1 tablespoon beef bouillon concentrate
  • 1 tablespoon Kitchen Bouquet
  • 1 teaspoon soy sauce
  • 1 bay leaf
  • Freshly ground black pepper
  • 1 cup plain Greek yogurt or sour cream

Instructions

  1. Fry bacon. Remove from pan, crumble and place in crock pot.
  2. Saute steak in remaining bacon grease over high heat until browned. Do this in small batches so skillet doesn't cool down. Place browned steak in crock pot.
  3. Saute onions and mushrooms in pan. Add to crock pot.
  4. Add water, bouillon, Kitchen Bouquet, soy sauce, bay leaf and black pepper to crock pot and stir.
  5. Cook on LOW for 8-10 hours.
  6. Remove about 1 cup broth from soup and whisk yogurt or sour cream into it unto smooth. Add back to crock pot and stir. Remove bay leaf before serving.

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Nutrition Information:
Yield: 6 Serving Size: 1
Amount Per Serving: Calories: 383Total Fat: 16gSaturated Fat: 6gTrans Fat: 0gUnsaturated Fat: 7gCholesterol: 143mgSodium: 459mgCarbohydrates: 8gFiber: 1gSugar: 4gProtein: 53g
© Paula of saladinajar.com
Cuisine: American / Category: Soup
Beef and mushrooms dominate this hearty and filling soup.

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  3. danielle

    I made this last night and the greek yogurt curdled when it hit the full soup, even though I whisked it well before putting it in. Now it looks like there’s cottage cheese sitting at the bottom of my bowl. How do I fix this next time?

    Reply

    • Paula

      Danielle, Oh dear, that would not look appetizing. I didn’t have that problem but here is what I suggest. First, be sure soup is not boiling. Then pour a tiny bit of the hot soup broth into the yogurt and whisk well. Then add a little more broth and continue whisking. Repeat until yogurt is very then and hot, then add to soup. Don’t cook soup after you have added the yogurt.

      Another option would be to serve soup without it and the add a dollop of Greek yogurt on top and let people stir it in as they eat. Doubt if you can pull that off with kids. 🙂

      Reply

  5. Jennifer

    It’s in my crock pot right now and it smells so good! I didn’t read the directions closely and I didn’t saute my onions first. Oh well, I’m sure it will be delicious!

    Reply

  9. Lori S

    I found the best recipe for Hamburger buns made in a bread machine. They are so good and easy, I can’t imagine buying buns again.
    1 1/4 cups milk, slightly warmed
    1 beaten egg
    2 tablespoons butter
    scant 1/4 cup white sugar
    3/4 teaspoon salt
    3 3/4 cups bread flour
    1 1/4 teaspoons active dry yeast
    Directions:

    1
    Place all ingredients in pan of bread machine according to manufacturer’s directions.
    2
    Select dough setting.
    3
    When cycle is complete, turn out onto floured surface.
    4
    Cut dough in half and roll each half out to a 1″ thick circle.
    5
    Cut each half into six 3 1/2″ rounds with inverted glass as a cutter.
    6
    Place on greased baking sheet far apart and brush with melted butter.
    7
    Cover and let rise until doubled, about one hour.
    8
    Bake at 350° for 10 to 15 minutes Watch as ovens vary

    Reply

  10. Piper

    My family loves stroganoff, so this looks like just the ticket to try as soon as the weather changes. I bought round steak recently for chicken fried steak and gave myself a blister trying to tenderize it. Slow cooking round steak would be easier on my hands for sure!

    Reply

  11. Rebecca

    What excellent timing – I got mushrooms in my produce box last night and I was wondering how I was going to use up all that round steak in my freezer before the next steer arrives. And I’m going to Beth Moore all day Saturday – perfect to put this on and have dinner ready for the boys when I get home! Thanks for great timing Paula.

    Reply

  12. Vicki V

    Yummy! What could be better than steak and mushrooms?! Sorry to hear you’re working so much, but hopefully you can decompress with comfort food like this around!

    Reply

  15. Suzanne

    Paula, my family all kind of sighs when I make soup because they think it’s not really a dinner more of lunch thing but I can see this soup being a real hit since they are all big beef eaters (unlike myself). And if you find a better freezer organization solution please share, I have the same problem 🙂

    Reply

  16. Candace

    Fall is in the air here in New Hampshire and my craving for soup always increases when the weather turns cool like this. Your soup looks absolutely delicious and the steak and mushrooms will definitely be a “husband pleaser”. I just pinned this soup to make very soon. I can see this being a regular meal in our home going forward. Thanks so much for sharing your recipe! Have a happy Thursday!

    Reply

  17. The Café Sucré Farine

    Yummy Paula! I am forever picking up round steaks and sirloin steaks on sale so this will be a great recipe to have on board! I bet it would also be delicious with a other veggies! Thanks, Chris
    ps – I know how the 12 hours days are – it doesn’t leave you much room for anything other than sleep and working (well maybe a little eating too!)

    Reply