Thick, creamy baked potato soup earns its keep when it lands like a loaded baked potato in a bowl: velvety broth, soft potato chunks, sharp cheddar, smoky bacon, and a cool spoonful of sour cream on top. This version gets the restaurant-style body without turning gluey, and the potato flavor stays front and center instead of disappearing into the dairy.
The trick is building the base slowly. A flour-and-butter roux thickens the milk and broth evenly, and the potatoes go in after that so they can break down just enough to give the soup its signature heft. Stirring in the cheese and sour cream off the heat keeps the texture smooth instead of grainy or separated.
Below, I’ve added the small details that matter here: how much to mash the potatoes, when to pull the pot back from the burner, and what to change if you want a lighter bowl or need to make it ahead.
The soup thickened up just like Chili’s, and mashing some of the baked potato into it gave it that hearty, restaurant-style texture instead of a plain cream soup.
Save this Copycat Chili’s Baked Potato Soup for the nights when you want a thick, loaded, bacon-topped bowl that tastes like the restaurant version.
The Roux Is What Keeps This Soup Thick Instead of Pasty
The biggest mistake with baked potato soup is dumping in milk and potatoes and hoping it thickens on its own. It usually doesn’t. You end up with either a thin broth or a gluey pot once the starch from the potatoes starts to overwork the liquid. The roux gives the soup structure first, which means the potatoes can add body without turning the whole pot heavy.
Cook the flour in the butter until it smells a little nutty and turns pale gold. That short cooking time knocks out the raw flour taste, but keeps the roux light enough for a creamy soup. Once the milk and broth go in, keep whisking and scrape the bottom of the pot so nothing catches. If the base looks a little lumpy at first, it usually smooths out as the flour fully hydrates.
What Each Ingredient Is Actually Doing in This Bowl
- Russet potatoes — These are the right potatoes for this soup because they break down a little and make the broth feel thick and hearty. Bake them first instead of boiling them; baked potatoes have a drier, fluffier texture that gives the soup more body. If you’re short on time, microwave them, but the flavor won’t be quite as deep.
- Whole milk — Whole milk keeps the soup creamy without needing heavy cream. Lower-fat milk works, but the finish will be thinner and less plush. If you want to lighten the soup, use 2 percent and expect a softer texture.
- Chicken broth — This keeps the soup from tasting flat and one-note. It cuts through the dairy and makes the potato flavor stand out. Vegetable broth can work, but the soup loses some of that classic savory base.
- Cheddar and sour cream — Stir these in at the end, off the heat if you can. Cheese can turn grainy if the soup is boiling, and sour cream can split if it gets too hot too fast. Sharp cheddar gives the best payoff here because it stands up to the milk and potato.
- Bacon — Half goes into the soup for smoky depth, and the rest belongs on top for texture. Cook it until crisp enough to crumble cleanly; soft bacon disappears into the bowl. A thick-cut bacon works fine, but you may need to drain a little extra fat before adding it in.
Getting the Potato Soup to Taste Like Chili’s
Build the base before the potatoes go in
Melt the butter, whisk in the flour, and give it those 2 to 3 minutes over medium heat so it turns lightly golden. Then add the milk and broth gradually while whisking; this is what keeps the soup smooth instead of floury. If you pour too fast, the roux can seize into little bits before it has a chance to loosen.
Let the soup thicken before adding the cheese
Once the milk and broth are in, stir until the mixture looks glossy and starts coating the back of a spoon. That usually takes about 10 minutes, and the soup should look noticeably thicker before the potatoes join in. If it still looks thin at this stage, keep cooking it a few more minutes rather than trying to rescue it with extra cheese later.
Use the potatoes as texture, not just filler
Fold in the chopped baked potato flesh, then mash some of it right in the pot with your spoon or a potato masher. Leave plenty of chunks so the soup still eats like a loaded baked potato, but break up enough potato to thicken the broth. If you mash everything smooth, you lose the contrast that makes each bite interesting.
Finish the dairy gently
Stir in the cheddar and sour cream after the heat is lowered. The soup should be hot enough to melt the cheese, but not boiling hard enough to split the sour cream or turn the cheese grainy. If the pot is bubbling, pull it off the burner for a minute before adding either one.
Make It Lighter Without Losing the Loaded-Baked-Potato Feel
Use 2 percent milk instead of whole milk and cut the cheddar back slightly. The soup will still be creamy, but it won’t coat the spoon quite as heavily. Keep the sour cream and bacon on top so the bowl still tastes like the classic version.
Gluten-Free Version
Swap the all-purpose flour for a 1:1 gluten-free flour blend that’s meant for thickening. The texture stays close to the original as long as you cook the roux long enough to lose the raw taste. Don’t use cornstarch here unless you’re changing the method, because it won’t give the same creamy, stew-like body.
Make It Meat-Free
Use vegetable broth and skip the bacon, then add extra chives and a little more cheddar for a savory finish. You’ll lose the smoky edge, but the soup still keeps that baked-potato comfort. A pinch of smoked paprika can help replace some of the bacon note if you want it.
Storage and Reheating
- Refrigerator: Store in an airtight container for up to 4 days. It will thicken as it chills.
- Freezer: It can be frozen, but dairy-based soups can turn a little grainy after thawing. Freeze without the toppings and reheat gently for the best chance of a smooth texture.
- Reheating: Warm it slowly over low heat on the stove, stirring often. Don’t boil it, or the cheese and sour cream can separate. Add a splash of milk if it’s thicker than you want.
Answers to the Questions Worth Asking
Copycat Chili's Baked Potato Soup
Ingredients
Equipment
Method
- Melt the unsalted butter in a large pot over medium heat. Whisk in the all-purpose flour and cook for 2-3 minutes until golden, stirring so it stays smooth.
- Gradually whisk in the whole milk and chicken broth until the mixture is smooth. Cook over medium heat, stirring constantly, until thickened, about 10 minutes.
- Fold in the chopped baked russet potato flesh and mash some pieces into the soup. Stir until the potatoes are evenly distributed.
- Stir in the shredded cheddar and sour cream until smooth. Season with the salt, black pepper, and garlic powder.
- Fold in half of the crumbled bacon. Heat just until warmed through, then ladle into bowls.
- Serve loaded with sour cream, shredded cheddar, remaining bacon, and chives. Keep the soup hot in the pot while topping each bowl.
