Sour Cream & Chives Mashed Potatoes

05/27/24

(Updated 05/15/25)

Imagine your favourite potato chip flavourโ€”good 'ol sour cream & chiveโ€”but in a dreamy mashed potato form. This mash is loaded with tangy sour cream, sharp cheddar cheese, freshly chopped chives and garlic powder. A crowd-pleaser of a side dish, great for weeknight dinners and Sunday roasts.

I have three words for this mash: lip-smacking good!

I can’t get enough of itโ€”total comfort food vibes, with a nostalgic twist. Put the whole pot in front of me and I’ll find it near impossible not to gobble it all up.

While add-ins really oomph a mash, how you combine the ingredients together can elevate it to legendary status. If you want to go the extra mile, this recipe will teach you how to make a mash that’s nice and fluffyโ€”all my tips and tricks below.

As a Registered Nutritionist, I’m a mega fan of the humble potato๐Ÿฅ”. They’re versatile (enjoy them boiled, roasted, baked, mashed…), affordable, and naturally gluten-free, making them an accessible dietary staple for many. As a rich source of carbohydrates, they’re a great food to provide easy energy to the body.

Gather Ingredients

  • Mashing potatoes. Good mash starts with using the right potatoes. In NZ, this is typically Agria; in the UK, Maris Piper; in the USA and Canada, Russet or Yukon Gold are great picks; and in Aussie, Russet Burbank or Desiree.
  • Butter. A mash potato-must for richness, creaminess and great flavour.
  • Sour cream. Sold in various fat percentages, like full-fat, reduced-fat or fat-free. I like full-fat here as it lends a richer and creamier texture.
  • Cheddar cheese. Adds a gorgeous sharpness to balance the tangy flavour of sour cream. Go for an aged cheddar if you can!
  • Chives. A (tasty) thin, green, grass-like herb. They add a mild onion flavour and pop of colour here.
  • Seasoning. Salt is added to the boiling water to help season the potatoes as they cook, while garlic powder and pepper (+ extra salt if needed) is mixed in at the end.

Before you start: take the butter, cheese and sour cream out of the fridge to bring to room temperature. Adding cold mix-in’s to hot mash is a no-goโ€”room temperature or warm ingredients blend more easily, creating a smoother texture without lumps or clumps (while keeping the mash warm!).

Step-by-Step: Sour Cream Mashed Potatoes

Peel potatoes. Chop into even-sized chunks. Rinse well with cold water to remove excess starch – the water should go from cloudy to clear.
Place potatoes into a pot, cover with cold salted water, and bring to a boil. Reduce to a simmer. Cook until fork-tender, around 10-15 minutes.
Drain the potatoes, rinse with hot water. Add back to pot with the butter. Mash with a potato masher or potato ricer (the latter gets it really smooth!).
Fold through the sour cream, cheddar, chives, garlic powder and a good pinch of S&P. Mix well, taste test and adjust seasoning, if needed.

Kitchen Tips

What’s the number one way to create an epic mash? It’s all about controlling the starch, baby!

Starch is a type of carbohydrate found in foods like potatoes. When potatoes are heated, the starch absorbs water and swells. When mashed (vigourously), the starch can rupture, causing things to thickenโ€”and this can be a one-way ticket to gluey, stodgy mash.

Below are tips to reduce the starch, while also not overworking the potatoes.

  • Peel off the skins. Iโ€™m not typically a potato peeler (hello dietary fibre), but, a creamy mash calls for peeled potatoes.
  • Rinse before and after boiling. Pre-boiling, rinse the spuds with cold water until it runs clear. Post-boiling, give them another rinse with hot water. This helps remove excess surface starch.
  • Boil from cold water. Start with cold water to ensure even cooking. Uneven or undercooked potatoes = lumpy mash.
  • Use a light touch. Mash the potatoes gently, just enough to mix the ingredients. Overworking can make the mash dense and gummy.

For extra finesse, mash with a potato ricer or food mill. The tool you mash withโ€”potato ricer, masher, even a fine mesh sieveโ€”makes a difference to the end texture. While more admin, the small individual holes of a potato ricer separate the potato particles, while minimising the release of more starch, helping create a lump-free, airy texture. If you want a professional-quality texture to your mash, try it!

To Serve

This mash is fabulous paired with roast chook or turkey; beef tenderloin or steak; pork chops; or, for a vegetarian option, lentil loaf, cauliflower steaks, or grilled portobello mushrooms.

As for my favourite blog recipe to serve it with? This beef stroganoff with mushrooms.

Thanks for reading. I hope you enjoy this sour cream mashed potatoes recipe๐Ÿฅ”.

Fluffy Sour Cream & Chives Mashed Potatoes

Prep Time: 20 minutes
Cook Time: 20 minutes
Serving Size: 6
Rating:

Ingredients:  

  • 1 kg mashing potatoes
  • 2 Tbsp butter (28g)
  • ยฝ cup sour cream
  • ยฝ cup cheddar cheese, coarsely grated
  • ยผ cup finely snipped chives (approx. 10-12 chives)
  • ยผ tsp garlic powder, to taste
  • Salt and pepper, to taste

Method:

Ingredient prep + cook potatoes

  • Measure out the portion of butter, cheddar cheese and sour cream. Keep aside as you make the mash to bring to room temperature.
  • Peel the potatoes and chop into even-sized chunks.
  • Place potatoes in a sieve or colander, and rinse with cold water for a minute or so. The water should go from cloudy to clear.
  • Add potatoes to a pot of cold water and generously with salt. Bring the water to a boil, then reduce the heat to keep it at a gentle simmer. Cook until fork-tender, typically 10-15 minutes.
  • Finely snip the chives (kitchen scissors are great!).
  • Drain the potatoes. Rinse with hot water.

Mash potatoes

  • Choose your mashing weapon – a potato masher or potato ricer. Proceed to use, with gentle pressure.

Flavour potatoes

  • Finely cube the butter. Add to mash potatoes and gently fold through using a spatula.
  • Add the sour cream, cheese, chives, garlic powder and a good pinch of salt and pepper. Gently fold through until evenly incorporated, being careful to not over-mix.
  • Taste test. Adjust seasoning, if desired.

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If you enjoyed this dish, please consider giving it a star rating when you post a comment. Star ratings help others discover my recipes online (and your reviews make my day! ๐Ÿ™‚ ). Happy cooking and baking. Danijela x

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