Half-Baked Garlic Parmesan Mashed Potatoes

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Creamy mashed potatoes with roasted garlic and Parmesan, finished with a golden, crispy panko topping for a comforting side dish with perfect texture contrast. This American-inspired vegetarian recipe, ready in about 50 minutes, pairs russet potatoes, unsalted butter, whole milk for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 200 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 20 min Cook: 30 min Serves 6 American cuisine 200 cal/serving
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Ingredients

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Instructions

  1. Step 1: Place 2 lbs cubed potatoes in a pot, cover with cold water, and add 1/2 tsp salt. Bring to a boil and cook for 15-20 minutes until fork-tender.
  2. Step 2: Drain potatoes thoroughly, return to pot, and add 1/4 cup butter, 1/2 cup warm milk, 3 minced garlic cloves, 1/2 cup Parmesan, 1/2 tsp salt, and 1/4 tsp black pepper.
  3. Step 3: Mash until smooth and creamy, adding more milk if needed to reach desired consistency.
  4. Step 4: Transfer mashed potatoes to a baking dish, smooth the top, and sprinkle with 1/4 cup panko breadcrumbs.
  5. Step 5: Drizzle with 1 tbsp olive oil, then bake at 375°F for 25-30 minutes until topping is golden and crispy.

Frequently asked questions

How long does Half-Baked Garlic Parmesan Mashed Potatoes take to make?

Total time is about 50 minutes (20 min prep + 30 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Half-Baked Garlic Parmesan Mashed Potatoes?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep russet potatoes from drying out.

Can I substitute ingredients in Half-Baked Garlic Parmesan Mashed Potatoes?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Half-Baked Garlic Parmesan Mashed Potatoes for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Half-Baked Garlic Parmesan Mashed Potatoes?

American vegetarian like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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