The beef should be browned before it goes anywhere near the slow cooker. That quick skillet step gives this creamy crockpot cheeseburger potato soup a deeper, beefier base than you get from dropping raw ground meat straight into the pot. I break the beef into small pieces as it cooks, then let the potatoes and vegetables take their time in the broth.
The creamy finish happens separately, right before serving. A quick butter-and-flour roux thickens the milk, and whisking in hot broth from the slow cooker helps the mixture blend into the soup instead of sitting on top of it. Freshly shredded sharp cheddar melts in last for a smooth, cheesy finish. The potatoes turn tender and the broth gets cozy without losing that savory cheeseburger character.
Kitchen Note
Turn the slow cooker off before adding the cheddar. The soup is hot enough to melt it, but leaving the cooker on can push the cheese too hard and make the finish less smooth.
Save this creamy cheeseburger potato soup for a slow-cooker day when you want tender potatoes, browned beef, and a sharp cheddar finish.
Why the Creamy Part Belongs Outside the Slow Cooker
Putting milk and cheese into the slow cooker for the full cooking time sounds convenient, but it can leave you with a thin broth and a grainy cheese finish. The potatoes need several hours to soften; dairy does better with a shorter, gentler finish. Keeping those jobs separate gives you more control over the texture.
The butter and flour cook together first, which gives the thickener a chance to lose its raw flour taste. Whisking the milk in gradually keeps the roux smooth, and cooking it until thickened builds a creamy base before it meets the soup. Then a little hot cooking liquid bridges the temperature difference. Add that liquid slowly while whisking, rather than pouring it in all at once.
Once the thickened milk mixture is in the slow cooker, the soup has enough warmth to melt the cheese. The order matters: thicken the milk, loosen it with hot broth, stir it into the soup, then add the cheddar in handfuls. Each step helps the creamy finish blend in evenly instead of clumping or turning oily.
What Russets, Sharp Cheddar, and Beef Bring to the Pot
- Russet potatoes — Their starch gives the soup a fuller body as the cubes soften. Peel them and cut them into even half-inch pieces so they cook at a similar pace. Yukon gold potatoes work as a substitute in the same quantity, though they’ll hold their shape more and make the broth a little less starchy.
- Ground beef — The 85% lean beef brings a savory, browned flavor without leaving the soup overly greasy after draining. A 90% lean grind works in the same amount, but the finished soup will taste a little less rich. Break the meat into small pieces while browning so each spoonful has manageable bites.
- Sharp cheddar — Sharpness gives the soup its cheeseburger-like bite against the mellow potatoes and milk. Buy a block and shred it yourself; freshly shredded cheese melts more smoothly than bagged shreds, which are coated to keep them separate. Medium cheddar is an easy swap in the same amount for a milder finish.
- Whole milk, butter, and flour — These form the creamy thickener, with the flour giving the milk enough body to coat the potatoes and beef. Whole milk makes the richest finish; 2% milk can be used in its place, though the soup will be less full-bodied. Measure the flour carefully so the roux thickens without tasting pasty.
- Onion, garlic, carrots, and celery — These build a savory, gently sweet base beneath the beef and cheese. Fresh vegetables give the best texture here, and chopping them into small, even pieces helps them soften during the long cook without dominating each bite.
- Low-sodium beef broth — It lets the beef flavor lead while leaving room to season the soup with the measured salt. Using low-sodium broth also makes the final cheese level easier to balance, since cheddar brings its own saltiness.
Brown the Beef First, Then Build the Creamy Finish
Brown the Beef and Soften the Aromatics
Heat the olive oil in a large skillet over medium-high heat, then add the ground beef and break it into small pieces as it cooks. Brown it until it reaches 160°F, then drain off excess fat. Stir in the chopped onion and minced garlic and cook for 2 minutes. Transfer the mixture to the slow cooker while the skillet is still warm and fragrant.
Load the Slow Cooker with Even Potato Cubes
Add the diced carrots and celery, cubed potatoes, beef broth, parsley, basil, kosher salt, and black pepper to the slow cooker. Stir so the vegetables and seasonings are distributed through the broth rather than sitting in one layer. Cover and cook on LOW for 6 to 7 hours or HIGH for 3 to 4 hours. The potatoes are ready when a fork passes through a cube without resistance.
Whisk a Smooth Roux-Based Milk Mixture
Near the end of the slow-cooking time, melt the butter in a medium saucepan over medium heat. Whisk in the flour and cook for 1 minute, stirring so the mixture doesn’t stick or brown. Gradually whisk in the milk, then cook and stir for 3 to 5 minutes until it thickens. If you see lumps forming, keep whisking as you add the milk a little at a time.
Temper the Milk Mixture and Melt in the Cheddar
Slowly whisk 1 cup of hot cooking liquid from the slow cooker into the thickened milk mixture. Turn off the slow cooker, stir in the milk mixture, then add the shredded cheddar a handful at a time. Stir between handfuls until each addition melts and the soup looks smooth. Adding all the cheese at once makes it harder to incorporate evenly.
Easy Ways to Adapt the Beef, Cheese, or Thickener
Use Ground Turkey for a Lighter Bowl
Replace the ground beef with the same amount of ground turkey and brown it in the skillet before adding the onion and garlic. The soup will taste milder and less beef-forward, but the potatoes, broth, and cheddar still give it a hearty base.
Make the Thickener Gluten-Free
Use a cup-for-cup gluten-free flour blend in place of the all-purpose flour, keeping the same amount and roux method. The texture may be a touch different depending on the blend, so cook the milk mixture until it visibly thickens before whisking in the hot broth.
Give the Cheese a Little Heat
Swap the sharp cheddar for freshly shredded pepper jack in the same amount. It melts into the soup in the same way and adds a gentle peppery warmth, though you’ll lose some of cheddar’s classic tang.
Storage and Reheating
- Refrigerator: Refrigerate leftovers within 2 hours and keep them for 3 to 4 days. The potatoes will soften a little as they sit.
- Freezer: Freeze airtight portions for up to 2 months. The creamy broth may separate slightly and the potatoes may soften after thawing; stir while reheating to bring the soup back together.
- Reheating: Warm leftovers on the stovetop over low heat, stirring often, until they reach 165°F. Avoid boiling the soup, which can make the cheese sauce grainy.
Questions That Come Up While This Soup Cooks
Creamy Crockpot Cheeseburger Potato Soup
Ingredients
Equipment
Method
- Heat the olive oil in a large skillet over medium-high heat.
- Add the ground beef and cook while breaking it into small pieces until browned and it reaches 160°F.
- Drain excess fat.
- Add the onion and garlic to the skillet and cook for 2 minutes, stirring.
- Transfer the mixture to a 6-quart slow cooker.
- Add the carrots, celery, potatoes, beef broth, parsley, basil, salt, and pepper to the slow cooker and stir to combine.
- Cover and cook on LOW for 6 to 7 hours or HIGH for 3 to 4 hours, until the potatoes are fork-tender.
- Melt the butter in a medium saucepan over medium heat.
- Whisk in the flour and cook for 1 minute.
- Gradually whisk in the milk and cook, stirring, for 3 to 5 minutes, until thickened.
- Slowly whisk in 1 cup of hot cooking liquid from the slow cooker.
- Turn off the slow cooker and stir in the milk mixture.
- Add the cheddar a handful at a time, stirring until melted and smooth.
