A small batch of mashed potatoes made by cooking potatoes in milk and cream with garlic and seasoning, then mashed until smooth and creamy and ready in 30 minutes.
Cut the potatoes into quarters and place them in a small saucepan. Add the milk, cream, garlic, and coriander. The potatoes should be almost fully covered; add a little more milk or cream if needed.
Bring to a gentle boil over medium-high heat. Cook for 15 to 20 minutes, until the potatoes are tender and a knife slides through easily.
Set a colander over a bowl and drain the potatoes, reserving the garlic-infused cream in the bowl.
Return the potatoes to the saucepan. Pour a small amount of the reserved cream over the potatoes and mash with a potato masher or immersion blender until mostly smooth.
Stir in the butter, olive oil, and stone-ground mustard. Add more reserved cream, as needed, until the mashed potatoes reach your preferred consistency.
Taste and season with salt and pepper.
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Notes
Use Yukon Gold Potatoes: These potatoes have a naturally creamy texture and buttery flavor, making them ideal for smooth mashed potatoes.
Even Cuts: Cut the potatoes into similar sized pieces so they cook evenly and become tender at the same time.
Mash While Hot: Potatoes mash best right after cooking, when they are still warm and soft.
Mustard Options: Stone ground mustard adds texture and depth, while Dijon mustard creates a smoother, more subtle flavor.