Garlic Potato Soup

This garlic potato soup is the kind of meal that makes a chilly evening feel a little more comfortable. The potatoes give it a naturally thick and creamy texture, while roasted garlic brings a mellow, slightly sweet flavor that is much softer than the sharp taste of raw garlic. A little onion, butter, herbs, and cream round everything out without making the soup overly heavy.

The best part is that most of the work happens in one pot. Roast the garlic until soft, simmer the potatoes with the aromatics and stock, then blend everything until smooth. Serve it with toasted bread, crunchy croutons, or a sprinkle of fresh herbs for an easy lunch or dinner.

Garlic Potato Soup Recipe

Ingredients

• 2 whole heads garlic
• 2 tablespoons olive oil, divided
• 2 tablespoons unsalted butter
• 1 medium yellow onion, finely chopped
• 1/2 teaspoon dried thyme
• 1/4 teaspoon black pepper
• 1/4 teaspoon white pepper, optional
• 1/2 teaspoon salt, plus more to taste
• 6 medium russet potatoes, peeled and cut into small cubes
• 4 cups chicken or vegetable stock
• 3/4 cup heavy cream or half-and-half
• 2 tablespoons sour cream
• 2 tablespoons chopped fresh chives or parsley
• Croutons or toasted bread, for serving

Also Read: Crispy Potato Balls Recipe

How to Make Garlic Potato Soup

1. Roast the garlic

Preheat the oven to 400°F (200°C). Slice the tops from the garlic heads so the cloves are exposed. Place each head on a small piece of foil, drizzle with a little olive oil, and wrap tightly. Roast for about 40 to 45 minutes, or until the cloves are soft and lightly golden. Let the garlic cool enough to handle, then squeeze the cloves from their skins and mash them into a soft paste.

2. Cook the onion

Heat the butter and the remaining olive oil in a large soup pot over medium heat. Add the chopped onion along with the salt, black pepper, white pepper, and thyme. Cook for about 4 to 5 minutes, stirring occasionally, until the onion becomes soft and translucent.

3. Add the garlic and potatoes

Stir the roasted garlic paste into the softened onion. Add the cubed potatoes and pour in the stock. Give everything a good stir and bring the mixture to a boil.

4. Simmer until tender

Reduce the heat, cover the pot, and let the soup gently simmer for 25 to 30 minutes. The potatoes should be tender enough to break apart easily when pierced with a fork.

5. Blend the soup

Turn off the heat and blend the soup until smooth and creamy using an immersion blender. If using a countertop blender, work in small batches and be careful because hot soup can create pressure inside the blender.

6. Finish with cream

Stir in the cream or half-and-half and sour cream. Blend briefly again if you want an especially smooth texture. Taste the soup and adjust the salt and pepper as needed.

7. Serve

Ladle the hot garlic potato soup into bowls and finish with chopped chives or parsley. Add homemade or store-bought croutons for some crunch, or serve with slices of toasted crusty bread.

Also Read: Mashed Potatoes Meatball

What You Can Do Better

Roast the garlic properly. This is the step that gives the soup its character. Raw garlic can be sharp and overpowering, but roasted garlic becomes soft, mellow, and slightly sweet. Give it enough time in the oven to become tender and lightly golden.

Use russet potatoes for a thicker soup. Russets contain plenty of starch, which helps create a creamy texture when blended. Yukon Gold potatoes are another good choice if you prefer a slightly buttery flavor.

Don’t boil the soup aggressively. Once the stock reaches a boil, lower the heat and let the potatoes simmer gently. This keeps the texture pleasant and gives the flavors time to come together.

Season gradually. Stock can vary quite a bit in saltiness, so it is better to start with a modest amount of salt and adjust near the end.

Add the dairy at the end. Cream and sour cream don’t need to cook for a long time. Stir them in after blending to keep the soup smooth and rich without making the dairy the main flavor.

Easy Variations

For a lighter version, use half-and-half or whole milk instead of heavy cream. You can also leave out the sour cream if you prefer a cleaner potato-and-garlic flavor.

To make the soup more filling, add shredded cooked chicken, crispy bacon, sautéed mushrooms, or cooked sausage just before serving. For a vegetarian version, use vegetable stock rather than chicken stock.

If you like a little heat, add a pinch of red pepper flakes while cooking the onions. A small amount of grated Parmesan on top also works beautifully with the roasted garlic.

Also Read: Ham Bone Soup with Beans

How to Store Garlic Potato Soup

Let leftover soup cool before transferring it to an airtight container. Keep it refrigerated for up to 3 days. Reheat it gently on the stovetop over medium-low heat, stirring occasionally. If the soup becomes too thick after refrigeration, add a splash of stock or milk while reheating.

Nutrition Information

The following is an approximate nutritional estimate per serving and can vary depending on the stock, dairy, potato size, and toppings used.

What to Serve with Garlic Potato Soup

This soup is filling enough to serve on its own, but a few simple sides can turn it into a complete meal. Try it with toasted sourdough, garlic bread, a simple green salad, roasted vegetables, or a handful of crisp croutons. For something more substantial, serve a bowl alongside a grilled cheese sandwich or a simple roasted chicken.

Also Read: Slow Cooker Mexican Chicken Soup

Frequently Asked Questions

Can I make garlic potato soup without cream?

Yes. The potatoes provide plenty of natural thickness, so you can leave out the cream and use extra stock or milk instead. The soup will still be creamy after blending.

Can I use fresh garlic instead of roasted garlic?

You can, but the flavor will be noticeably sharper. Roasting the garlic is what gives this soup its mellow, slightly sweet flavor. If you are short on time, use a smaller amount of fresh garlic and cook it gently with the onion.

Which potatoes are best for this soup?

Russet potatoes are excellent when you want a thick, velvety soup. Yukon Gold potatoes also work well and give the finished soup a naturally buttery taste.

Can I freeze garlic potato soup?

You can freeze it, although soups containing dairy may separate slightly when thawed. For the best texture, freeze the potato soup before adding the cream and sour cream, then add them while reheating.