Chop the potatoes into quarters and place them in a small saucepan. Add the milk, cream, garlic, and coriander and stir. Add a little extra milk or cream if the potatoes are not almost completely covered by the liquid.
Cook on medium-high heat for 15-20 minutes or until potatoes are tender and the tip of a knife easily goes through.
When the potatoes are tender, put a bowl on the counter and a colander inside that bowl. Pour the potatoes through the colander, and the cream will collect in the bowl.
Put the potatoes back into the pot and mash them with either a potato masher or an immersion blender. Next, take some of the garlic-infused cream and fold it back into the potatoes until smooth and creamy.
Fold in the butter, olive oil and the stone ground mustard.
Season with salt and pepper.
Serve.
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Notes
Use Yukon Gold Potatoes: For the creamiest and most flavorful mashed potatoes, Yukon Golds are the way to go. Their naturally buttery taste enhances the overall dish.
Personalize with Herbs and Spices: Don't hesitate to make this recipe your own. Incorporate your favorite herbs like rosemary or thyme to kick the flavor up a notch.
Mustard Variations: While stone-ground mustard adds a unique depth to the dish, you can easily substitute it with Dijon mustard for a smoother, more refined flavor profile.