3poundsYukon Gold potatoespeeled and cut into 1-inch chunks
6tablespoonsunsalted butter
3garlic cloves minced (about 2 teaspoons)
1cupwhole milkor half milk and half half & half for a richer flavor
1cup(4 ounces) parmesan cheese, grated and divided
3/4cupsun-dried tomatoes packed in oildrained and chopped (about 7 ounces from an 8-ounce jar)
1 1/2teaspoonskosher salt
1/4teaspoonnutmeg
1/4teaspoonfresh ground black pepper
Chopped parsleybasil, or chives, for garnish
Instructions
Preheat the Oven: Preheat oven to 400°F. Grease a 2-quart baking dish with butter or spray.
Cook the Potatoes: Bring a large pot of liberally salted water to a boil. Add potatoes and cook for 15–20 minutes, or until fork tender. Drain and set aside.
Sauté Garlic: In the same pot, melt butter over medium heat. Add garlic and sauté for 60 seconds until fragrant. Do not let the garlic brown.
Mash the Potatoes: Return potatoes to the pot. Add milk, salt, nutmeg, and pepper. Mash with a potato masher or ricer until smooth and creamy.
Add Mix-Ins: Stir in sun-dried tomatoes and 3/4 cup parmesan cheese until well combined.
Assemble the Dish: Transfer mashed potatoes into the prepared baking dish. Sprinkle with remaining 1/4 cup parmesan cheese.
Bake and Finish: Bake uncovered for 20–22 minutes, until the top is lightly golden. For extra browning, broil for 2–3 minutes at the end.
Serve: Garnish with fresh herbs and serve hot.
Notes
Make-Ahead Tips: Assemble the mashed potatoes, cover tightly, and refrigerate for up to 24 hours. Bake just before serving, adding 5–10 minutes to the cook time if cold.Storage: Cool to room temperature. Transfer to an airtight container and refrigerate for 3–4 days.Reheating: Microwave in 30-second bursts, stirring in a splash of milk or cream to refresh. Or reheat covered in a 350°F oven for 20–25 minutes.Freezing: Freeze in a freezer-safe container for up to 1 month. Note: the texture of sun-dried tomatoes and parmesan may soften slightly when thawed.