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Overhead image of cheesy mashed potatoes.
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5 from 8 votes

Cheesy Baked Mashed Potatoes

Take mashed potatoes to the next level with with a cheesy addition to the mixture.
Prep Time20 minutes
Cook Time30 minutes
Total Time50 minutes
Course: Side Dishes
Cuisine: American
Servings: 6 servings

Ingredients

  • 5 pounds russet potatoes
  • 1 ½ cups milk
  • ¾ cup butter, melted
  • 2 ½ cups mozzarella cheese, shredded
  • 1 cup Parmesan cheese, grated, divided
  • Salt and freshly ground black pepper
  • 4 tablespoons Italian style breadcrumbs, not panko
  • Butter for coating casserole dish

Instructions

  • Preheat the oven to 400℉. Prepare a 3 ½ quart casserole dish by coating it with butter.
  • Peel and cut potatoes into one inch cubes. Place potato cubes in large pot and cover with water. Boil over high heat until potatoes are fork tender. Drain potatoes and mash.
  • Add the melted butter, milk, ¾ cup of Parmesan cheese, and shredded mozzarella cheese to the potatoes stirring well to combine. Add salt and freshly ground black pepper to taste and stir. Transfer potatoes to prepared casserole dish.
  • In a separate bowl combine the breadcrumbs and remaining Parmesan cheese. Sprinkle this mixture over the potatoes.
  • Bake, uncovered, until the topping is golden and potatoes are piping hot, about 30 minutes.
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