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Close-up of fluffy mashed potatoes in a saucepan, topped with melted butter and freshly ground pepper.

Roasted Garlic Mashed Potatoes

Creamy, buttery, and bursting with roasted garlic flavor, these mashed potatoes are pure comfort made easy—perfect for holidays, family dinners, or any cozy meal.
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Course: Side Dish
Cuisine: American
Keyword: classic comfort food, cozy fall recipes, family style comfort food, gluten free side options, holiday side dishes, potluck side dishes, thanksgiving dinner ideas
Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 1 hour
Servings: 8
Calories: 326kcal
Author: Jennifer Locklin
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Ingredients

Instructions

Roast the Garlic

  • Preheat oven to 400°F.
  • Slice off the top of the garlic head to expose the cloves.
  • Drizzle with olive oil, wrap in foil, and roast for 40–55 minutes, until deeply golden and soft.
  • Let cool, then squeeze out and set aside the roasted garlic cloves.

Cook the Potatoes

  • In a large pot, combine peeled potatoes and cover them with an inch of water. Add 1 tablespoon kosher salt. Bring to a gentle boil over medium heat and cook until fork-tender—about 25 minutes, depending on the size of your potatoes.
  • In a small saucepan, bring butter, evaporated milk, roasted garlic cloves, thyme, and rosemary to a gentle simmer. Do not boil the milk or it will curdle.

Mash ’Em Up

  • Drain potatoes well and return the potatoes to the pot, set over medium heat, and let the water cook out and dry the potatoes; be careful not to burn. This should only take a couple of minutes.
  • Return potatoes and garlic to the pot.
  • Mash using a masher, ricer, or hand mixer on low speed. Add just enough warmed milk mixture to reach your desired creamy consistency.
  • Season with salt and pepper to taste.

Notes

Optional Make‑Ahead & Reheat Methods
•Spoon into a baking dish, cover, refrigerate up to 3 days. To reheat: preheat oven to 325°F, pour ½ cup evaporated milk plus 2 Tbsp butter over top (do not stir), cover tightly with foil, and bake 20–25 minutes until warmed through. Stir before serving.
Slow Cooker: Cook through mash step, spoon into crock, keep warm covered up to 4 hours. Before serving, stir in ½ cup milk and 2 Tbsp butter.
Stove‑Top: For day‑old mash, gently warm in a pot over low heat with ½ cup milk and a couple tablespoon butter, stirring occasionally until creamy and warm.
Substitutions & Variations
•Leave out rosemary or thyme, or swap in savory or parsley if that’s all you’ve got.
•For dairy‑free, use vegan butter and plant-based evaporated milk alternative (though flavor changes).
•Use half Russet, half Yukon Gold for a fluffier texture.
Serving Suggestions & Pairings
•Dollop on extra herb butter or drizzle olive oil and a fresh sprinkle of minced thyme/rosemary for presentation.
•Goes beautifully beside roasted turkey, prime rib, pork chops, or smoked meats.
•Pair with silky greens, glazed carrots, green bean casserole, cornbread, and sweet tea—or a bold red wine if you’re feelin’ fancy.
Storage & Freezing
•Cool completely, store airtight in fridge for up to 3–4 days.
•Freeze up to 1 month in freezer‑safe containers.
•Thaw overnight in fridge. Reheat gently in oven or on stovetop, stirring in a splash of milk or butter to refresh creaminess.

Nutrition

Serving: 1 serving | Calories: 326kcal | Carbohydrates: 51g | Protein: 6g | Fat: 12g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.5g | Cholesterol: 30mg | Sodium: 254mg | Potassium: 1218mg | Fiber: 6g | Sugar: 2g | Vitamin A: 402IU | Vitamin C: 58mg | Calcium: 48mg | Iron: 2mg

*Nutrition information is automatically calculated based on ingredient data and should be considered an estimate. When multiple ingredient options are provided, the first listed is used for calculation. Optional ingredients and garnishes are not included in the nutrition analysis.