Traditional Potato Soup

🕒 Prep: 15 min
🔥 Cook: 40 min
🍽 Serves: 6
★★★★★
5 Reviews

There’s nothing quite like a bowl of homemade potato soup to warm you up on a chilly day. This traditional recipe is a comforting classic, rich in flavor and simple enough for any home cook to make. With a few pantry staples and a bit of time, you’ll have a hearty dish that’s perfect for any occasion.

Traditional Potato Soup

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Ingredients for Traditional Potato Soup

Ingredients for Traditional Potato Soup

Let’s break down what each ingredient brings to the table. Butter is the base for our roux, adding richness and flavor. Onion and garlic form a savory foundation with their aromatic qualities. The flour thickens the soup, giving it that classic creamy texture. Chicken broth provides depth and body, balancing the flavors. Potatoes are the star of the show — they soak up the broth and provide a hearty bite. Salt, pepper, and thyme season the soup perfectly, while milk adds a creamy finish. Finally, cheddar cheese offers a sharp, cheesy note, and parsley freshens things up at the end.

Why This Traditional Potato Soup Works

Butter, onion, and garlic start things off by softening together in the pot. As they sit over medium heat, the onion loses its bite and turns a little sweet, and the garlic mellows out. When the flour goes in, it coats everything and sticks to the butter. After a minute, that flour is ready to grab onto liquid.

Once the chicken broth is stirred in, the flour swells up and starts to thicken the broth instead of letting it stay watery. Potatoes go in and slowly soften as they simmer. Over time, some starch from the potatoes slips into the broth too, so the soup becomes even creamier. Mashing a few potatoes right in the pot gives more starch and makes the soup feel thick without needing a ton of cream.

When the milk is added near the end, it warms gently and blends into that starchy broth instead of curdling. Off the heat, the cheddar melts smoothly into the hot soup and stays silky, and the parsley goes in last so it stays fresh and bright on top.

Traditional Potato Soup Tips & Tricks

  • For a bit of smoky flavor, try adding a diced smoked sausage or bacon.
  • Use an immersion blender for a smoother consistency, if desired.
  • Adjust the seasoning gradually, tasting as you go to get it just right.
  • Keep an eye on the heat when adding milk to prevent curdling.

Mistakes To Avoid

Letting the flour sit in the pot without enough stirring after it’s added to the butter can leave little dry clumps. Those lumps don’t fully blend into the broth later, so the soup ends up with a grainy, pasty texture instead of being smooth and creamy.

Pouring the broth in too fast over the hot roux often shocks the mixture and creates stubborn lumps. Once that happens, the liquid thickens in uneven spots, and the soup has thick, gluey pockets and thin, watery areas instead of one even body.

Cooking the potatoes on too low a simmer or for too short a time means they stay firm in the center. When the mashing step comes, the pieces don’t break down, so the soup stays thin with hard chunks instead of getting that soft, slightly mashed thickness.

Letting the soup boil after the milk goes in can cause the milk to separate. The liquid then looks curdled and the texture turns a bit grainy and rough instead of staying silky.

Adding the cheddar while the soup is still bubbling hot can make the cheese seize and turn stringy. Instead of melting smoothly into the liquid, it clumps and floats, leaving oily spots on top and a less creamy finish.

Equipment Used:

Large pot, Potato masher, Whisk

Ingredients

  1. 4 cups potatoes, peeled and diced
  2. 1 medium onion, chopped
  3. 2 cloves garlic, minced
  4. 4 cups chicken broth
  5. 2 cups whole milk
  6. 1/4 cup all-purpose flour
  7. 2 tablespoons unsalted butter
  8. 1 teaspoon salt
  9. 1/2 teaspoon black pepper
  10. 1/4 teaspoon dried thyme
  11. 1/2 cup shredded cheddar cheese
  12. 2 tablespoons chopped fresh parsley

Step-by-step Instructions

  1. 1. In a large pot, melt the butter over medium heat. Add the chopped onion and garlic, and cook until the onion is translucent, about 5 minutes.
  2. 2. Stir in the flour and cook for another minute, creating a roux.
  3. 3. Gradually add the chicken broth while stirring, ensuring no lumps form.
  4. 4. Add the diced potatoes, salt, pepper, and thyme. Bring the mixture to a boil, then reduce the heat to a simmer.
  5. 5. Cover the pot and let the soup simmer for about 20 minutes, or until the potatoes are tender.
  6. 6. Use a potato masher to slightly mash some of the potatoes in the pot for a thicker consistency.
  7. 7. Stir in the milk and allow the soup to heat through, but do not let it boil.
  8. 8. Remove from heat, add the cheddar cheese, and stir until melted.
  9. 9. Serve hot, garnished with fresh parsley.

Frequently Asked Questions

Can I make this soup vegetarian?
Absolutely! Just swap the chicken broth for vegetable broth.
How should I store leftovers?
Store in an airtight container in the fridge. It should keep well for 3-4 days.
Can I freeze this soup?
Yes, but be aware that the texture may change slightly. Let it cool completely before freezing.

Serving Ideas for Traditional Potato Soup

This potato soup is lovely topped with crispy croutons or a dollop of sour cream. Pair it with a simple green salad or a crusty loaf of bread to round out the meal. For a little extra indulgence, sprinkle some extra cheddar on top and let it melt just before serving.

Ratings and Comments

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.