Breakfast • Thanksgiving

Creamy Garlic Mashed Potatoes

Name: Creamy Garlic Mashed Potatoes
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 8 servings
Ingredients: 4 lb Yukon Gold potatoes, peeled and cut in 2-inch chunks; 8 garlic cloves, peeled; 1 Tbsp salt, plus more to taste; 1/2 cup unsalted butter, cut in pieces; 1 cup whole milk, warmed; 1/2 cup sour cream; 1 tsp black pepper; 2 Tbsp chopped chives for serving

Fluffy Yukon Gold mashed potatoes simmered with garlic and finished with warm milk, butter, and sour cream for the Thanksgiving table.

Updated: Nov 9, 2026

⏱ 45 mintotal

8servings

320 kcalper serving

Easylevel

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Why you'll like it

Ready in about 45 min.
Serves 8 — easy to halve or double.
Easy level — everyday equipment only.
Storage, freezing and reheating covered below.

Creamy Garlic Mashed Potatoes turn simple spuds into a smooth, savory Thanksgiving side in 45 min for 8 servings. Yukon Gold potatoes hold less water than russets, so they mash up dense and creamy rather than gluey, while whole garlic cloves simmered alongside mellow into sweet, soft flavor.

Helpful guides

Instructions

Step 1

Place the potatoes and garlic in a large pot, cover with cold water by 1 inch, and stir in the salt. Starting cold cooks the chunks evenly so the outsides do not fall apart before the centers soften.

Step 2

Bring to a boil over high heat, then reduce to a steady simmer and cook 20 to 25 minutes until a fork slides through the largest chunk without resistance. Drain well and return to the hot pot for 1 minute, shaking gently to steam off surface moisture.

Step 3

Warm the milk and butter together in a small saucepan until the butter melts and the milk steams. Warm dairy absorbs smoothly, while cold milk cools the potatoes and makes them stiff.

Step 4

Mash the potatoes and garlic with a ricer or hand masher, then stir in the warm milk mixture gradually until smooth. Fold in the sour cream, pepper, and additional salt to taste, mixing just until combined.

Step 5

Transfer to a warm serving bowl and top with chives. Serve hot alongside turkey and gravy, since mashed potatoes firm up and form a skin as they cool.

Step 6

Cool leftovers within 2 hours and refrigerate promptly for later meals.

Troubleshooting — fixes, not repeats

If the potatoes turn gluey, they were overworked or beaten with an electric mixer. Use a ricer or hand masher and stop as soon as the mixture is smooth.
If lumps remain, the chunks were uneven or undercooked. Cut even 2-inch pieces, cook until fully fork-tender, and rice the driest potatoes first.
If the flavor tastes flat, the cooking water was under-salted or seasoning came too late. Salt the water generously and season the finished potatoes in two passes, tasting between.
If the mash cools and stiffens, the milk went in cold or the bowl sat out. Warm the dairy, serve in a heated bowl, and stir in a splash of warm milk to loosen.

Make it your way

Spicier version: For variation, swap half the potatoes for russets for a fluffier texture, or stir in 1 cup shredded sharp cheddar off the heat for a cheese version.
Roast the garlic cloves at 400 degrees F in foil with oil for a deeper caramel flavor.
A lighter batch uses low-fat milk and cuts the butter in half, adding extra sour cream for creaminess.
Keep even chunks, warm dairy, and gentle mashing in every version for a smooth result.

Storage & reheating

Cool leftovers within 2 hours, then refrigerate in a covered container and use within 3 to 4 days. Reheat only the portion you will eat until steaming hot throughout — poultry and reheated rice should reach 165°F (74°C).

Reheat in a saucepan over low heat with a splash of milk, stirring until steaming and smooth.

Microwave single portions covered and vented, stirring halfway.

FAQ

Which potatoes work best?
Yukon Golds give a naturally creamy, dense mash that suits Thanksgiving. Russets mash fluffier but absorb more liquid, so add milk gradually. Avoid waxy red potatoes, which stay lumpy and gluey when mashed.

Can I make them ahead?
Yes, up to 1 day ahead. Prepare fully, cool within 2 hours, and refrigerate covered. Reheat in a slow cooker on low for 2 hours or in a saucepan with extra warm milk, stirring until smooth and steaming.

Why did my potatoes turn gummy?
Overworking starch causes gumminess, usually from electric beaters or food processors. Mash by hand or with a ricer, add warm liquid gradually, and stop stirring once smooth.