Easy 3 Ingredient Potato Soup Recipe

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This potato soup lands thick and savory, ready in 20 to 25 minutes with zero chopping. The shortcut is a 28-ounce bag of frozen Potatoes O’Brien, which carries diced peppers and onions already mixed in.

Fresh potatoes work too, but they add 10 to 15 minutes and a cutting board you may not want to wash.

What This Soup Is and When to Make It

A pot of potato soup simmering on the stove.
A pot of hearty potato soup simmers on the stove, ready for dinner.

You know the night: the fridge is down to condiments, the kids are already asking about dinner, and you need something solid from the freezer and pantry. This soup is the answer.

It comes together in 20 to 25 minutes in a single pot, with no chopping and no standing over a cutting board. The result is thick, savory, and filling enough to call a meal.

It is not fancy. You will not impress a dinner guest who was hoping for a bisque.

What you get is reliable comfort food on a timeline that matches real weeknights, and that is exactly the point.

Ingredients

Frozen potatoes, gravy mix, and chicken broth on a kitchen counter.
The three essential ingredients for potato soup are ready to go.

You need three things from the grocery store, all of them sitting on ordinary shelves.

  • One 28-ounce package frozen Potatoes O’Brien. These come pre-diced with peppers and onions already mixed in, so the prep is already done.
  • One packet country gravy mix. Grab the plain country version, not chicken country or beef. The gravy packet thickens the soup and carries most of the seasoning.
  • 32 ounces chicken broth. A standard carton or box from the soup aisle is what you’re after. Some cooks keep Better Than Bouillon on hand instead, using 4 teaspoons stirred into 4 cups of water.

Optional add-ins, if you want them: Boursin cheese, Alfredo sauce, fresh dill, shredded cheese, or crumbled bacon. None of these change the core method.

They just sit on top at the end.

Method

Instructions for making potato soup in a large pot.
Step-by-step instructions show how to make potato soup in one pot.
  1. Dump the frozen Potatoes O’Brien into a large pot straight from the bag. Pour in the full 32-ounce box of chicken broth and sprinkle the dry country gravy mix over the top. Stir until the gravy powder dissolves completely; the potatoes will still be frozen solid and that is fine.
  2. Bring the pot to a boil over medium-high heat, stirring every few minutes so the gravy mix does not settle and scorch on the bottom. Once you see active bubbling across the surface, lower the heat to a simmer.
  3. Let it simmer uncovered for 20 to 25 minutes, stirring occasionally. The soup thickens as the potato starch releases and the gravy mix activates. The potatoes will be tender but not falling apart.
  4. If you want cheese or hot sauce in the soup, stir it in during the last two or three minutes so it melts through without breaking.
  5. Ladle it into bowls and add whatever garnishes you have. Crackers, shredded cheese, or a drizzle of hot sauce all work. The soup thickens more as it sits and cools, so expect leftovers to be closer to chowder than broth the next day.

Cooking Time and What Slows It Down

A timer indicating cooking time for potato soup.
Using frozen potatoes keeps cooking time to just 20–25 minutes.

Frozen diced potatoes cut the stovetop time to 20–25 minutes, since they soften fast and need no peeling.

Fresh potatoes push that to 30–40 minutes, and you will need to check them with a knife tip to know when they collapse into the broth.

The slow cooker is the other route: dump everything in, set it to low, and walk away for 6–8 hours. That trade is real.

You give up speed for the freedom to leave the house, and the soup waits for you instead of the reverse.

Storage and Reheating

An airtight container of potato soup on a pantry shelf.
Leftover potato soup is stored in an airtight container for later use.

Leftovers keep for 3 to 4 days in the refrigerator in an airtight container. The soup thickens overnight as the potatoes keep absorbing liquid, so expect a denser texture the next day.

Reheat it on the stove over medium heat, stirring in a splash of broth if it has turned spoon-stand thick.

The microwave works too: 60-second bursts with a stir between each one, which prevents the center from turning rubbery while the edges barely warm.

Freezing is where sources split. Some say it holds for 2 to 3 months; others warn that potato soups turn grainy and dry once thawed, since potatoes release starch and soak up moisture unevenly.

If you freeze it, you are running that texture risk.

No one testing this exact three-ingredient version has reported back with a solid verdict, so refrigerate what you will eat within the week and make a fresh batch when that runs out.

Substitutions and Fresh Potatoes

Fresh potatoes next to a bowl of potato soup.
Fresh potatoes can be used, but they require more cooking time.

Yes, fresh potatoes work. You will need 2 pounds, diced small, and they will take longer to soften than frozen.

The choices break down like this:

  • Baby reds or Yukon Golds are the ones to reach for. Waxy varieties like these hold their shape and give you distinct chunks in the broth. Starchy potatoes such as Russets fall apart instead and thicken the soup almost to a mash, which is a different dish entirely.
  • Vegetable broth substitutes straight across for chicken broth. The flavor turns lighter and the soup stays vegetarian.
  • Gravy mix flavors shift the whole profile. A turkey or roasted garlic packet reads as homemade; a brown gravy packet leans diner-style. Match it to whatever broth you have.
  • Cooking time extends by roughly 10 to 15 minutes with fresh potatoes, and the dice needs to be even or you will fish out half-done cubes at the end.

Variations That Actually Help

A bowl of potato soup garnished with cheese and bacon.
Garnishes like cheese and bacon enhance the potato soup's flavor.

A few tested moves change the soup without breaking the three-ingredient promise.

  • Stir in 5.2 oz of Boursin Garlic & Fine Herbs at the end, off heat, and it melts into a velvety finish. Shallot & Chive or Black Truffle & Sea Salt work the same way if you want a different direction.
  • Add half a cup of jarred Alfredo sauce after the potatoes are tender. It deepens the soup into something closer to a chowder, richer than cream but no harder to use.
  • Finish with fresh dill and a squeeze of lemon right before serving. The dill goes in by the tablespoon; the lemon is just a wedge’s worth. It cuts the heaviness on nights when the potatoes feel too much.
  • Top with shredded cheddar, crumbled bacon, or both if you are feeding people who want loaded-baked-potato energy. Add these at the table, not the pot, so the bacon stays crisp and the cheese does not seize.

Frequently Asked Questions

Can I use fresh potatoes instead of frozen?

Yes, fresh potatoes work fine. Use 2 pounds of baby reds or Yukon Golds, diced small, and expect 30 to 40 minutes on the stove rather than 20 to 25.

Waxy varieties hold their shape; starchy Russets fall apart and thicken the soup to a mash.

How long does potato soup last in the fridge?

Leftovers keep for 3 to 4 days in an airtight container. The soup thickens overnight as the potatoes keep absorbing liquid, so stir in a splash of broth when reheating.

Can I make this soup in a slow cooker?

Yes. Dump all three ingredients into the slow cooker, set it to low, and walk away for 6 to 8 hours.

You trade speed for the freedom to leave the house, and the soup waits for you.

What is Julia Child’s 3 ingredient potato soup?

The recipe here uses frozen Potatoes O’Brien, country gravy mix, and chicken broth, a weeknight shortcut rather than a classic French approach.

What is an easy potato soup recipe with few ingredients?

This one fits: frozen Potatoes O’Brien, one packet of country gravy mix, and 32 ounces of chicken broth. No chopping, one pot, and dinner is ready in 20 to 25 minutes.

What is 3 ingredient soup?

It is any soup built from three main components. This version means frozen diced potatoes with peppers and onions, dry country gravy mix, and chicken broth, simmered until thick.

What all ingredients do I need to make potato soup?

For this recipe: one 28-ounce package frozen Potatoes O’Brien, one packet plain country gravy mix, and 32 ounces chicken broth. Optional toppings like shredded cheese, bacon, or Boursin are added at the end.

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