Recipe

Mushroom Barley Soup

A hearty, meatless soup with deep mushroom flavor and barley that stays tender instead of gluey.

By Matt Campbell

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4.8

A steaming bowl of mushroom barley soup with visible sliced mushrooms and barley grains, topped with chopped parsley on a rustic wooden table, warm kitchen lighting

I love a soup that tastes like you cooked all day, even if you definitely did not. This mushroom barley soup is that kind of win: earthy mushrooms, sweet onion, and a broth that turns silky and savory from a good long simmer.

The trick is treating the barley like an ingredient with feelings. We want it tender and pleasantly chewy, not swollen into a starchy paste that turns the whole pot into glue. I will show you exactly how to get there, plus an optional cream finish that makes the whole thing feel extra cozy without turning it into a heavy chowder.

Whole cremini mushrooms, a yellow onion, celery, and garlic on a clean kitchen counter with a cutting board and knife, ready for soup prep

Why It Works

Big savory flavor without meat: Browning the mushrooms hard builds a deep, almost roasty backbone.
Barley that stays hearty, not gluey: A quick rinse and the right simmer help keep the grains distinct and pleasantly chewy.
Weeknight-friendly flow: You build flavor in one pot, then let it do its thing.
Flexible finish: Keep it brothy and bright, or add a splash of cream for a softer, richer bowl.

Pairs Well With

Storage Tips

Fridge: Store in an airtight container for up to 4 days. Barley keeps absorbing broth as it sits, so day-two soup will be thicker.

Best reheat tip: Reheat gently on the stove and add a splash of broth or water until it is as soupy as you like. Taste again for salt and a squeeze of lemon.

Freezer: Freeze up to 3 months. For the best texture, freeze before adding cream. Thaw overnight in the fridge and reheat on the stove, then stir in cream at the end if you want it.

Common Questions

Do I need to rinse or soak barley?

Rinse it, yes. A quick rinse under cool water removes surface starch and dust, and it can help the soup stay more brothy. (The bigger factors are your liquid amount and how long the barley simmers.) Soaking is optional. If you soak pearl barley for 30 to 60 minutes, it can shave a little time off and help it cook more evenly. Drain well before adding.

Pearl barley or hulled barley, which is better for soup?

Pearl barley is best for this recipe. It usually cooks in about 35 to 55 minutes in soup and turns tender without needing a super long simmer. Hulled barley is more chewy and takes longer, often 60 to 90 minutes. If you use hulled barley, plan extra time and add more broth as needed.

How do I keep barley from getting gummy?

Three moves: rinse the barley, keep the soup at a gentle simmer (not a rolling boil), and cook just until tender. Barley will still release starch over time, especially as leftovers sit. If you want the most meal-prep-friendly texture, cook barley separately and add it to bowls as you serve.

Can I make this creamy without dairy?

Yes. Swap the cream for full-fat coconut milk (it will add a mild coconut note) or stir in unsweetened oat cream. You can also blend 1 to 2 cups of the soup and stir it back in for a creamy feel with no added dairy.

What mushrooms work best?

Cremini are my reliable everyday pick. A mix is even better. Add shiitake for depth or a few dried porcini for a serious flavor boost. If you use dried porcini, strain the soaking liquid and add it to the pot like liquid gold.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Large Dutch oven or heavy soup pot
Cutting board and sharp knife
Wooden spoon or sturdy spatula
Fine-mesh strainer (for rinsing barley)
Ladle

The first time I nailed mushroom barley soup, it was because I stopped babying the mushrooms. I used to stir them constantly like I was afraid they would feel ignored. Once I let them sit and actually brown, the whole pot tasted like it had a secret stash of umami. Now it is my go-to for that cozy, “everyone eat something warm” moment, and it makes the kitchen smell like you have your life together even if the sink says otherwise.