Creamy Mashed Potatoes with Sour Cream is a comforting mashed potatoes recipe made with russet potatoes, butter, sour cream, and warm milk for a smooth side dish with creamy texture, simple stovetop cooking, and 30-minute prep. The potatoes are boiled until tender, riced for a light texture, then stirred with butter and sour cream until rich and fluffy.
6medium russet potatoespeeled and diced in large chunks
½cupwhole milkwarmed
4tablespoonsunsalted buttersoftened
⅕cupsour cream
1teaspoonkosher salt
½teaspoonblack pepper
2clovesgarlicminced (optional)
Garnish
dried parsley and a drizzle of olive oil or butteroptional
Instructions
Place the diced potatoes in a large pot and cover them with cold water. Add a pinch of salt. Bring to a boil over medium-high heat and cook until the potatoes are tender, about 15-20 minutes. Drain well.
Return the drained potatoes to the pot. Using a potato ricer, process the potatoes back into the pot.
Add the softened butter and sour cream to the riced potatoes and stir until melted and incorporated. Gradually add the warmed milk, stirring continuously until the potatoes reach the desired creamy consistency.
Stir in the kosher salt and black pepper. If using, add the minced garlic for extra flavor. Mix well. Serve warm.
Notes
Cooking NotesThe potatoes are boiled until tender, then riced for a smooth texture before mixing in butter, sour cream, and warm milk. Warming the milk helps the potatoes stay creamy as everything blends. Season at the end and serve while warm.Tips for Best Results
Cook the potatoes until fully tender so they mash smoothly.
Rice or mash the potatoes while they are still hot.
Add the milk gradually to control the final consistency.
Stir gently to keep the texture light and fluffy.
How to Know It’s ReadyThe potatoes should be smooth, creamy, and hold soft peaks when stirred.