Roasted Garlic and Rosemary Mashed Potatoes

Roasted garlic transforms ordinary mashed potatoes into something worth building a meal around. Roasting whole heads of garlic in the oven until the cloves turn soft, golden, and almost sweet removes that sharp raw bite and replaces it with a deep, nutty flavor that melts right into the potatoes. It takes about 40 minutes in the oven, but you can roast the garlic a day or two ahead and keep it in the fridge. The rosemary here is not just a garnish. Simmering sprigs in the butter before folding it into the potatoes infuses every bite with that piney, earthy aroma without leaving behind woody stems or tough needles. Strain the sprigs out before adding the butter to the mash, and you get all the flavor with a perfectly smooth texture. The combination of sweet roasted garlic and fragrant rosemary butter elevates these mashed potatoes far beyond the standard butter-and-cream version. Use Yukon Gold potatoes for this recipe — their naturally buttery, waxy flesh produces a creamier mash than russets without any extra effort. Don't overwork them; this is the most common mistake with mashed potatoes. A potato ricer or food mill gives the best results, but a hand masher works fine as long as you stop while there's still a little texture. Overworking releases too much starch, turning creamy potatoes into a gluey paste. Serve alongside roast chicken, braised short ribs, or a simple grilled steak with pan drippings.