Thick, creamy baked potato soup with plenty of cheddar, bacon, and sour cream is the kind of bowl that disappears fast. The potatoes stay substantial instead of turning into a bland puree, and the finish is rich without tasting heavy or gluey. It lands somewhere between a loaded baked potato and a proper cream soup, which is exactly why it works so well.
The trick here is starting with baked potatoes, not raw ones. That gives the soup a deeper potato flavor and a fluffier texture once you fold the flesh into the base. A quick flour-butter roux thickens the milk and cream into a smooth foundation, and mashing a few potato pieces directly in the pot gives the soup that restaurant-style body without needing extra starch.
Below, I’ll walk you through the part that matters most: how to keep the dairy smooth, how much of the potato to mash, and what to do if you want the soup even thicker the next day.
The soup turned out thick and silky, and the little potato chunks held their shape just enough. I loved that the cheddar melted in without getting stringy, and the bacon on top made it taste just like the restaurant version.
Save this copycat Outback baked potato soup for the nights when you want a thick, cheesy bowl with bacon and chives.
The Roux Is What Keeps the Soup Smooth, Not Gritty
When baked potato soup turns grainy, it’s usually because the flour never got a chance to cook or the dairy went in too fast. The butter and flour need those two full minutes together so the finished soup doesn’t taste pasty. That step also keeps the milk from tasting raw once it thickens.
Adding the milk, cream, and broth gradually matters more than people think. If you dump them in all at once, the roux can seize into tiny lumps before it has a chance to loosen. Whisk steadily and give the soup time on medium heat; it should go from thin and milky to noticeably velvety, with the spoon leaving a slow trail through the pot.
The potatoes go in after the base has thickened. That order keeps the soup from becoming gluey and lets you control the texture at the end instead of fighting it from the start.
What Each Ingredient Is Actually Doing in This Bowl

- Russet potatoes — Baking them first gives you a drier, fluffier potato that breaks down into the soup beautifully. Waxy potatoes stay firmer and won’t give you the same restaurant-style thickness.
- Whole milk and heavy cream — This is where the soup gets its body and richness. You can swap in half-and-half in a pinch, but the final soup will be a little lighter and less lush.
- Chicken broth — It keeps the base from tasting flat and gives the potato flavor somewhere to go. Use low-sodium broth if you want more control over the salt, especially with bacon and cheddar in the mix.
- Cheddar and sour cream — Add them off the hottest part of the burner so they melt in smoothly. If the soup is boiling when they go in, the dairy can separate and turn a little grainy.
- Bacon — Stir some into the soup, but save the rest for the top so you get both smoky flavor and crisp texture in the bowl. Thick-cut bacon works well, but any cooked and well-drained bacon will do.
Building the Base Before the Potatoes Go In
Cooking the Roux
Melt the butter in a large pot over medium heat, then whisk in the flour and cook it for about 2 minutes. It should look smooth and a little foamy, not dark. If it browns too fast, lower the heat; a dark roux will change the flavor and make this taste less like the creamy restaurant version.
Whisking in the Dairy
Pour in the milk, cream, and broth gradually while whisking constantly. The mixture should loosen first, then start to thicken after a few minutes. Keep the heat at a steady medium and don’t let it boil hard, because that’s when dairy can scorch on the bottom or turn slightly curdled at the edges.
Finishing with Potatoes, Cheese, and Sour Cream
Fold in the chopped baked potatoes once the base coats the back of a spoon. Mash some of them right in the pot to thicken the soup, but leave plenty of chunks for texture. Stir in the cheddar and sour cream after you lower the heat; they should melt in smoothly and give the soup that loaded baked potato finish without turning stringy.
Three Ways to Make This Soup Fit Your Kitchen
Make It Gluten-Free
Use a 1:1 gluten-free flour blend in place of the all-purpose flour. The texture stays close to the original as long as you cook the flour in the butter first and whisk thoroughly when the dairy goes in.
Make It Lighter Without Losing the Creamy Texture
Swap the heavy cream for more whole milk and use a little extra sour cream at the end. The soup won’t be quite as rich, but it will still feel thick and satisfying if you keep the potatoes partially mashed.
Make It Vegetarian
Use vegetable broth instead of chicken broth and skip the bacon. To replace some of that smoky, savory note, add extra cheddar on top and a little smoked paprika to the pot.
Storage and Reheating
- Refrigerator: Keeps for 3 to 4 days. It thickens as it sits, so expect a spoonier texture the next day.
- Freezer: It can be frozen, but the dairy may separate a bit when thawed. Freeze in portions and rewarm gently for the best chance of a smooth texture.
- Reheating: Warm it slowly over low heat, stirring often. A splash of milk helps loosen it, and high heat is the easiest way to break the cream base.
Answers to the Questions Worth Asking

Copycat Outback Baked Potato Soup
Ingredients
Equipment
Method
- Chop the baked potato flesh into small pieces and set aside; keep the chunks visible for hearty texture.
- Melt the butter in a large pot over medium heat, then whisk in the flour and cook for 2 minutes until slightly golden.
- Gradually whisk in the milk, heavy cream, and chicken broth until smooth, then cook while stirring until thickened, about 8-10 minutes.
- Fold in the chopped baked potato and mash some into the soup for thickness, keeping other pieces chunky.
- Stir in the shredded cheddar and sour cream until smooth, then season with salt, black pepper, and garlic powder.
- Ladle into bowls and top generously with extra sour cream, cheddar, bacon, and chives.



