How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Beef Barley Soup In The Slow Cooker?

You need 17 ingredients. The key ingredients include: 1 teaspoon oil, 1 cup chopped onion, 2 teaspoons finely chopped garlic, 1 cup chopped mixed mushrooms, and more.

Is Beef Barley Soup In The Slow Cooker suitable as soups & stews?

Yes, Beef Barley Soup In The Slow Cooker falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Beef Barley Soup In The Slow Cooker?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Beef Barley Soup In The Slow Cooker Recipe

Name: Beef Barley Soup In The Slow Cooker
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 teaspoon oil; 1 cup chopped onion; 2 teaspoons finely chopped garlic; 1 cup chopped mixed mushrooms; 2 celery ribs, chopped; 2 medium carrots, chopped; 1/2 teaspoon salt; 1/4 teaspoon pepper; 1 cup uncooked pearl barley; 10 cups beef broth; 1/2 teaspoon Worcestershire sauce; 1 tablespoon beef powder bouillon; 1 tablespoon chicken powder bouillon; 1/4 teaspoon marmite; 2 tablespoons tomato paste; 1 cup green giant* frozen mixed vegetables; 1 cup shredded cooked beef

Warm up with this hearty Beef Barley Soup In The Slow Cooker recipe. Made with oil, onion, garlic and mixed mushrooms. Easy step-by-step instructions in…

This Beef Barley Soup In The Slow Cooker relies on simple, everyday ingredients such as oil, chopped onion, finely chopped garlic and chopped mixed mushrooms. It comes together quickly and makes 4 servings, at about 280 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Soups & Stews

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Beef Barley Soup In The Slow Cooker

Tips for the best results

Variations & substitutions

My Personal Notes

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