
This recipe transforms simple baked potatoes into a creamy, hearty soup that’s hard to resist. I developed this method to utilize leftovers without sacrificing flavor or texture.
You’ll end up with a velvety base topped with all the classic loaded potato fixings. The baked potatoes add depth that fresh ones simply can’t match.
Ingredients for Potato Soup Recipe with Baked Potatoes
Transform leftover baked potatoes into this velvety, loaded soup with classic toppings.
| Ingredient | Amount | Notes |
|---|---|---|
| Baked Russet Potatoes 🥔 | 4 whole | Large, cooled and peeled |
| Unsalted Butter 🧈 | 4 tbsp | For sautéing and richness |
| Yellow Onion 🧅 | 1 whole | Medium, finely diced |
| Celery Stalks 🌿 | 2 whole | Finely diced for aroma |
| Garlic Cloves 🧄 | 3 cloves | Minced for depth |
| All-Purpose Flour 🌾 | 3 tbsp | For thickening roux |
| Vegetable Stock 💧 | 4 cups | Low-sodium preferred |
| Whole Milk 🥛 | 2 cups | Full-fat for creaminess |
| Sharp Cheddar Cheese 🧀 | 2 cups | Shredded, for topping |
| Sour Cream 🥣 | ½ cup | For garnish, full-fat |
| Chives 🌿 | ¼ cup | Fresh, thinly sliced |
| Salt 🧂 | 1 ½ tsp | Diamond Crystal kosher preferred |
| Black Pepper 🌶️ | ½ tsp | Freshly ground for best flavor |
| Cooked Bacon Bits 🥓 | ½ cup | Vegetarian bacon substitute |
| Heavy Cream 🥛 | ½ cup | Optional for extra richness |
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The baked potatoes are non-negotiable here—they provide a depth of flavor that fresh potatoes cannot replicate. Opt for Russet potatoes for their starchy, fluffy texture. Whole Foods or your local farmers market will have quality produce. For the stock, low-sodium vegetable broth allows you to control the seasoning precisely, which is critical for a balanced soup base.
No Russets? Yukon Golds work in a pinch, though the texture will be slightly waxier. For a dairy-free version, swap the milk for unsweetened almond milk and the butter for vegan margarine. The cheddar can be replaced with Gruyère for a nuttier profile. If you lack fresh chives, green onions offer a similar but milder bite (use the green parts only).
This soup reheats exceptionally well—store in an airtight container for up to 4 days in the fridge or freeze for 3 months. The texture may thicken upon standing; thin with additional milk or stock before reheating. Toppings are best added fresh when serving.
Why You’ll Love This Recipe
- No-Fuss Start: I just scoop out the fluffy insides of pre-baked Russets—no peeling, no chopping raw spuds.
- Rich & Roasted Depth: The caramelized edges from the baked potatoes add a smoky sweetness that blends with the butter and garlic.
- Meal Prep Magic: I make a double batch on Sunday and it reheats beautifully all week. (Yes, even on a Tuesday night)
- Wallet-Friendly Feast: Russet potatoes cost pennies per pound, and this soup stretches to feed a crowd with minimal ingredients.
Step-by-Step Instructions for Potato Soup With Baked Potatoes
Here is the proven method I use to create this rich, velvety soup every time.
Step 1: Sauté Aromatics in Butter
Melt the 4 tbsp unsalted butter in a large pot over medium heat. Once foaming subsides, add the finely diced yellow onion and 2 whole finely diced celery stalks. Sauté for 5-7 minutes until the vegetables soften and turn translucent.
Add the 3 minced garlic cloves and cook for an additional 30 seconds until fragrant. This builds the flavor foundation. Be careful not to let the garlic brown, as it can become bitter.
Step 2: Create the Roux and Add Liquids
Sprinkle the 3 tbsp all-purpose flour over the sautéed vegetables, stirring constantly to create a smooth paste. Cook for 1-2 minutes to eliminate the raw flour taste, forming a light golden roux.
Gradually whisk in the 4 cups vegetable stock, ensuring no lumps form. Once smooth, add the 2 cups whole milk and stir to combine. Increase heat to medium-high and bring the mixture to a gentle simmer.
Step 3: Incorporate Potatoes and Season
Peel and chop the 4 whole baked russet potatoes into bite-sized pieces. Add them to the pot along with the 1.5 tsp salt and 0.5 tsp black pepper. Stir well to distribute the potatoes evenly throughout the broth.
Simmer for 10-12 minutes, stirring occasionally, until the potatoes begin to break down slightly and the soup thickens. The soup should coat the back of a spoon but still have a pourable consistency.
Step 4: Finish with Heavy Cream and Adjust Consistency
Reduce the heat to low and stir in the 0.5 cup heavy cream. This adds a luxurious richness to the soup. Let it warm through for 2-3 minutes, being careful not to let it boil.
Taste and adjust the seasoning if needed. If the soup is too thick, add a splash of additional vegetable stock or whole milk to reach your desired consistency. The texture should be creamy but not overly heavy.
Step 5: Serve with Loaded Toppings
Ladle the soup into bowls and immediately top with the 2 cups shredded sharp cheddar cheese. The heat from the soup will begin to melt the cheese slightly, creating a beautiful, gooey layer.
Garnish each serving with a dollop of the 0.5 cup sour cream, a sprinkle of the 0.25 cup chives, and a generous portion of the 0.5 cup cooked bacon bits. Serve immediately while hot for the best experience.
Pro Tips For Making Potato Soup Recipe With Baked Potatoes
- Scoop the Potatoes: Use a spoon to hollow out the baked russets—this keeps the skins intact for garnish while giving you fluffy potato flesh that blends smoothly into the soup.
- Sweat the Veggies: Cook the onion, celery, and garlic in the butter over medium-low heat for at least 8-10 minutes until soft and translucent—rushing this step leaves a raw, harsh flavor in the soup.
- Skip the Peeling: The skins on baked russets add texture and earthy flavor, so only remove them if they’re burnt or bitter—otherwise, chop and stir them right into the pot.
- Use the Starch: After scooping the potatoes, mash a few chunks against the pot with a wooden spoon to thicken the soup naturally—no need for extra flour or cream.
Troubleshooting potato soup recipe with baked potatoes
Soup Too Thin
If your soup lacks body, mix 1 tbsp cornstarch with 1 tbsp cold water and whisk into the simmering soup. Cook for 2-3 minutes until thickened. I always keep a small bowl of this slurry ready when making creamy soups. 💡
Soup Too Thick
Thin it with additional vegetable stock or whole milk in ¼ cup increments. Stir well after each addition and let it simmer for 1-2 minutes to incorporate fully. The baked potatoes will continue to break down, adding natural thickness.
Lumpy Texture
Use an immersion blender to puree the soup directly in the pot until smooth. Alternatively, transfer 2 cups of soup to a blender, puree, and return to the pot. I prefer the immersion blender for ease and fewer dishes.
Cheese Not Melting
Shred your own sharp cheddar from a block instead of using pre-shredded, which contains anti-caking agents. Add the cheese gradually while stirring constantly over low heat. This prevents clumping and ensures a silky texture.
Bland Flavor
Boost the taste with ½ tsp smoked paprika or a splash of hot sauce. Since you’re using baked potatoes, a pinch of garlic powder or extra black pepper can also enhance the depth. Taste as you go to avoid over-seasoning.
Curdled Soup
If the soup curdles, immediately reduce heat to low and whisk in 1 tbsp cold heavy cream to stabilize it. Avoid boiling after adding dairy. Honestly, this is why I always keep the heat gentle when adding the whole milk or heavy cream. 🔥
Nutrition Facts
Frequently Asked Questions
Can I use fresh potatoes instead of baked?
Baked potatoes add a deeper, roasted flavor that fresh can’t match. If you must, roast fresh Russets at 400°F for 45-60 minutes first.
How do I store leftovers?
Keep in an airtight container in the fridge for up to 4 days. Reheat gently on the stove, adding a splash of milk if too thick.
Can I make this dairy-free?
Yes! Use unsweetened almond milk and vegan margarine. Skip the cheese or use dairy-free shreds.
Why does my cheese clump?
Pre-shredded cheese has anti-caking agents. Always shred your own sharp cheddar and add it slowly over low heat.
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