How to Make Potato Soup, Plus the Best Potatoes to Use

If comfort food had a mascot, it would be a steamy bowl of potato soup wearing a tiny scarf and insisting you take a second serving. Potato soup is simple on paperpotatoes, broth, maybe some dairybut the difference between “wow, this is restaurant-level” and “why is this paste… wet?” comes down to two things: which potatoes you choose and how you handle their starch.

This guide walks you through a foolproof potato soup method, explains the best potatoes for potato soup (and what each one does in the pot), and shares real-world “here’s what usually happens” experiences so you can dodge the classic mistakes. Let’s make a bowl that’s creamy, flavorful, and absolutely not glue.

What Makes Potato Soup Actually Great

Great potato soup hits a sweet spot between silky and hearty. You want enough body to feel cozy, but not so thick your spoon can stand up and file taxes. The best bowls usually have:

• Layered flavor: onions/leeks, garlic, butter (or bacon fat), and a broth that tastes like something.
• Smart texture: some potatoes break down to thicken; some stay in tender chunks.
• Balanced richness: dairy (or a good non-dairy alternative) added at the right time, plus a little acid at the end to keep things bright.
• Contrast: toppings like chives, cheese, pepper, croutons, or crispy baconbecause soup deserves accessories.

The Best Potatoes for Potato Soup (and Why)

Potatoes aren’t one-size-fits-all. Their starch level changes how your soup thickens, how well the chunks hold their shape, and how risky blending becomes. Here’s the short version:

• Starchy potatoes (like russets) break down easily and thicken the soup fast.
• Medium/all-purpose potatoes (like many “gold” or yellow potatoes) give creaminess and hold their shape better.
• Waxy potatoes (like red or new potatoes) stay chunkier and don’t naturally thicken as much.

Option 1: Russet (Idaho) Potatoes Best for Thick, Creamy Soup

Pick russets when you want a classic creamy potato soup with a naturally thicker body. Russets are high-starch and more likely to fall apart as they simmer, which is great when you want the soup to basically thicken itself. The tradeoff: russets can go from “creamy” to “gluey” if you over-blend or overwork them.

Best use: blended or partially blended soups, loaded baked potato soup vibes, soups thickened without extra flour.

Option 2: Yukon Gold / Yellow Potatoes Best for Creamy-But-Chunky Soup

Choose Yukon Gold (or similar yellow “gold” potatoes) for a buttery, smooth texture that holds up well in soups. They’re typically more moist and less aggressively starchy than russets, so they keep their structure longer while still tasting rich. If you like spoonable chunks that don’t dissolve into the broth, this is your potato.

Best use: rustic soups, potato-leek styles, soups where you mash (not fully blend) for texture.

Option 3: Red or New Potatoes Best When You Want Defined Chunks

Red potatoes are waxier, which means they hold their shape and stay pleasantly bite-sized. That’s perfect for chunky soups, but they won’t thicken the broth much on their own. If you go all-red, plan to use a thickener method (mash some potatoes, add a roux, etc.).

Best use: chunky soups, stews, “vegetable soup + potatoes” situations.

The Secret Move: Use Two Potatoes

Want the best of both worlds? Use a mix. A common approach is:

• 70% russet for natural thickening
• 30% Yukon Gold (or red) for pieces that stay intact

This combo gives you that creamy base and the satisfying “oh good, there’s an actual potato in here” bite.

Quick Choosing Guide

• Silky and thick: mostly russets
• Creamy with chunks: mostly Yukon Gold / yellow potatoes
• Chunky and spoon-stew: red/new potatoes + a thickener plan
• Most crowd-pleasing: mix russet + Yukon Gold

The Core Method: A Foolproof Potato Soup (Stovetop)

This method is built to be flexible: you can go classic, loaded, leek-forward, or even dairy-free without rewriting your whole life.

Ingredients (Classic Base)

• 2 to 2 1/2 pounds potatoes (russet, Yukon Gold, or a mix), peeled or unpeeled (your call)
• 1 medium onion (or 2 leeks), diced
• 2 to 3 cloves garlic, minced
• 3 tablespoons butter (or 2 tablespoons bacon fat + 1 tablespoon butter)
• 4 cups chicken broth or vegetable broth (plus more as needed)
• 1 to 1 1/2 cups milk, half-and-half, or cream (or unsweetened non-dairy alternative)
• Salt and black pepper
• Optional flavor helpers: celery, carrots, thyme, bay leaf, smoked paprika

Step-by-Step

1. Prep potatoes smartly. Cut into even 1/2-inch pieces so they cook at the same speed. If you want less surface starch, rinse quickly and drain (especially helpful with russets).
2. Sweat aromatics. In a large pot, melt butter over medium heat. Add onion (or leeks) with a pinch of salt. Cook 6–10 minutes until soft and fragrant, not browned. Add garlic for the last 30–60 seconds.
3. Add potatoes + broth. Stir potatoes into the pot so they get coated in the buttery aromatics. Pour in broth. Add thyme or a bay leaf if you’re using them.
4. Simmer gently. Bring to a light boil, then reduce to a gentle simmer. Cook 12–18 minutes until potatoes are tender when pierced.
5. Thicken with intent (choose your texture).
   • For creamy-but-chunky: mash 1–2 cups of potatoes right in the pot with a masher, then stir to thicken.
   • For smoother: use an immersion blender for a few quick pulsesdon’t puree the whole pot into potato wallpaper paste.
   • For ultra-smooth: blend a portion (about 1/3 to 1/2), then return it to the pot.
6. Add dairy at the end. Lower heat. Stir in milk/half-and-half/cream and warm gently. Avoid a hard boil after adding dairy.
7. Season like you mean it. Salt, pepper, and a tiny hit of acid (a squeeze of lemon or a spoon of sour cream) makes the flavor pop. Taste again.

How to Thicken Potato Soup Without Turning It Gluey

Potato soup thickens because starch swells and disperses. That’s the cozy magicuntil you over-blend and the starches get aggressively… clingy. Here are thickening options that keep texture friendly:

1) Mash Some Potatoes (The MVP)

When the potatoes are tender, mash a portion against the side of the pot. This releases enough starch to thicken the broth, but keeps the soup rustic and spoonable.

2) Partial Blending (The “Just a Few Pulses” Rule)

If using an immersion blender, pulse briefly, then stop. You want a creamy base, not a smoothie. Over-blending can make potato soups turn sticky or gummy because the starch structure gets overworked.

3) Roux (Butter + Flour) for “Loaded” Style

For a classic loaded baked potato soup feel, you can cook a small roux (butter + flour) with your aromatics before adding liquid. It thickens reliably and helps stabilize dairy. Keep it modestpotatoes already bring plenty of thickening power.

4) Instant Mashed Potato Flakes (Yes, Really)

If your soup is thin and you need a fast fix, whisk in a tablespoon at a time. It’s a classic chef shortcut because it thickens without dramatically changing flavor. Think of it as “potato helping potato.”

Flavor Builders That Make People Ask for the Recipe

Loaded Baked Potato Soup (Crowd Favorite)

Add cooked bacon, sharp cheddar, sour cream, and chives. For deeper flavor, sauté onions in a bit of bacon fat. Keep the soup base not-too-salty until the cheese goes in, because cheese is basically delicious salt with a degree.

Potato-Leek Soup (Elegant, Minimal, Cozy)

Swap onion for leeks, and let them sweat gently without browning for a sweet, mellow base. Finish with cream (or a non-dairy alternative) and top with herbs, croutons, or a drizzle of olive oil.

Veggie-Forward Variation

Add celery and carrots with the onions. Stir in corn, spinach, or kale near the end. Finish with black pepper and a squeeze of lemon to keep it bright.

Spicy Smoky Version

Smoked paprika, a pinch of cayenne, or diced jalapeños can turn basic potato soup into something you’d order twice. Top with pickled peppers if you like tang and heat.

Common Potato Soup Problems (and Quick Fixes)

“My soup is bland.”

• Add more salt in small increments (potatoes absorb seasoning like it’s their job).
• Add aromatics: sautéed garlic, thyme, or a bay leaf earlier in cooking.
• Add acid at the end: lemon juice or sour cream wakes everything up.

“It’s too thin.”

• Mash more potatoes, or blend a small portion.
• Use instant mashed potato flakes (a tablespoon at a time).
• Simmer uncovered for a few minutes to reduce slightly.

“It’s too thick.”

• Stir in warm broth or milk a splash at a time until it loosens up.
• Re-season after thinning (liquid dilutes salt).

“It turned gluey/gummy.”

• Stop blending. Immediately.
• Thin with broth, then add a little fat (cream, butter, olive oil) to soften the texture.
• Add a touch of acid (lemon/sour cream) to brighten and reduce the heavy mouthfeel.

Make-Ahead, Storage, and Reheating

Potato soup is fantastic the next day, but it can thicken as it sits. Refrigerate in an airtight container and reheat gently on the stove over low heat, stirring often. Add a splash of broth or milk to restore the original texture.

Freezing is trickier: potatoes can turn grainy after thawing, and dairy-based soups may separate. If you want freezer-friendly potato soup, freeze the base before adding dairy, then add milk/cream when reheating.

Experience-Based Kitchen Notes (Real-World Things That Happen)

Even with a solid recipe, potato soup has a personality. And like any strong personality, it has habits. Here are “things that usually happen” when home cooks make potato soupplus how to respond like you’ve been doing this forever.

1) The soup thickens more than you expectespecially overnight. The first time you make potato soup, you might nail the texture at dinner, then open the fridge the next day and find something closer to “savory potato pudding.” This is normal: starch continues to hydrate and set as it cools. The fix is simple and not dramatic: warm it slowly and add broth or milk a little at a time. The key is patiencedumping in a ton of liquid all at once can flatten flavor, and you’ll be chasing seasoning at the end like it stole your wallet.

2) The blender temptation is real… and dangerous. Many cooks think, “If I blend it more, it’ll be creamier.” Sometimes yes. Often no. If you’ve ever had potato soup turn stretchy or gluey, it’s usually because the starch got overworked. The move that keeps you safe is partial blending: blend a portion or pulse briefly, then stop. You’re building a creamy base, not auditioning the soup for a milkshake shop. When in doubt, mash instead of blendmashing thickens without pushing the starch into gummy territory.

3) Your potato choice changes your stress level. Russets thicken fast and taste classic, but they’re more sensitive to aggressive stirring and blending. Yukon Gold/yellow potatoes are more forgiving and stay intact longer, which is why so many people feel like their soup “just works” when they use gold potatoes. Red potatoes behave nicely for chunky soups, but if you expect them to thicken the broth by themselves, you may end up disappointed and reaching for a thickener at the last minute.

4) Dairy timing can make or break the finish. A common first-timer mistake is adding milk or cream early and then boiling the soup hard while waiting for potatoes to soften. That can push dairy toward separating and can dull the fresh, creamy taste. The calmer approach is: cook potatoes until tender first, then lower the heat and add dairy gently. It tastes cleaner and looks smoother. Bonus: if you’re using sour cream, stir it in off-heat so it stays silky, not grainy.

5) The “something’s missing” moment is usually solved by acid and texture. Potato soup can taste heavy if it’s all starch + dairy with no contrast. Many cooks discover that a tiny squeeze of lemon, a spoon of sour cream, or even a splash of vinegar (very small!) makes the whole pot taste more “awake.” Texture helps too: crispy bacon, scallions, crushed crackers, or toasted croutons give your mouth something to do besides swim in creamy sameness.

6) Toppings aren’t optionalthey’re the personality. A plain bowl can be comforting, but toppings turn it into “wow.” People who love potato soup often have a signature topping routine: cheddar + chives + black pepper, or bacon + hot sauce, or crunchy croutons with herbs. The best part? Toppings let everyone customize without you making five different soups. (Your future self will thank you.)

Conclusion

Potato soup is simple, but it’s not mindlessand that’s why it’s so satisfying. Choose the right potatoes (or mix them), build a flavorful base, thicken with restraint, and finish with dairy gently. Add toppings with confidence. You’ll end up with a soup that tastes like comfort, not like a starchy science experiment.