Mashed Potatoes au Gratin Recipe

Mashed Potatoes au Gratin Recipe

How To Make Mashed Potatoes au Gratin

Fresh chives thrown in with mozzarella and cheddar cheese make for a tasty addition to this creamy mashed potatoes au gratin!

Preparation: 15 minutes
Cooking: 40 minutes
Total: 55 minutes



  • 1lbrusset potatoes,peeled and cut into large cubes
  • ¼cup2% milk
  • 8ozcream cheese,(½ package), softened
  • 3tbspbutter,or more to taste
  • cupswhite cheddar cheese,shredded, divided
  • cupsmozzarella cheese,shredded, divided
  • cupsfresh chives,chopped


  1. Place the potatoes into a large pot and cover with salted water, then bring to a boil.

  2. Reduce the heat to medium-low and simmer for about 20 minutes, until potatoes are soft and it can easily be insert with a fork into them. Drain the water and pour potatoes into a large mixing bowl.

  3. Preheat the oven to 350 degrees F.

  4. Stir the milk, cream cheese, and butter into the potatoes. Mix with an electric mixer on medium speed until creamy; do not overmix.

  5. Add ¾ cup of Cheddar cheese, ¾ cup of mozzarella cheese, and chives. Mix with a mixing spoon.

  6. Pour mixture into a large baking dish or 4 individual ramekins and top with the remaining cheddar cheese and mozzarella cheese.

  7. Bake in the preheated oven for 10 to 15 minutes until cheese on top is melted. Turn the oven’s broiler on high and brown the top of the cheese for 2 to 3 minutes.

  8. Serve and enjoy!


  • Calories: 797.71kcal
  • Fat: 62.52g
  • Saturated Fat: 37.28g
  • Trans Fat: 0.85g
  • Monounsaturated Fat: 16.41g
  • Polyunsaturated Fat: 2.46g
  • Carbohydrates: 26.74g
  • Fiber: 1.85g
  • Sugar: 4.51g
  • Protein: 34.33g
  • Cholesterol: 200.84mg
  • Sodium: 1063.66mg
  • Calcium: 850.36mg
  • Potassium: 711.68mg
  • Iron: 1.66mg
  • Vitamin A: 589.93µg
  • Vitamin C: 15.21mg
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