The Best Make Ahead Mashed Potatoes for a Crowd

Can you make your mashed potatoes hours ahead, or a day ahead and expect delicious fluffy mashed potatoes? Yep, with this recipe, you sure can. Your holidays just go a little easier with this Make-Ahead Mashed Potatoes for a Crowd

make ahead mashed potatoes

Make Ahead Mashed Potatoes for a Crowd

If you are looking for Make-Ahead Recipes then you might like my recipes for Make Ahead Crescent Rolls, Grandma’s Cranberry Salad, and Creamy Dijon Deviled Eggs you can make-ahead for your holiday meal

make ahead mashed potatoes

I’ll tell you right now, though…these are not low-calorie potatoes. This recipe has sour cream – yum. It also has cream cheese whipped into it – um, yum again.  Luckily, this mashed potatoes dish is fit for a crowd so you can share the calories.

baked mashed potatoes

Are you still with me? I hope so. You’re going to love this addition to your holiday table.

More Holiday Sides

Do you need more side recipe for the holidays? Try these delicious recipes…

Twice Baked Sweet Potatoes 

Spicy Jalapeno Deviled Eggs 

Grandma’s Famous Cranberry Salad 

How long can make ahead mashed potatoes be made in advance?

  • Make-Ahead mashed potatoes can be made up to 2 days in advance

Can I keep mashed potatoes warm in a crock pot?

  • You can warm mashed potatoes on the lowest setting of your crock pot for up to 4 hours
make ahead mashed potatoes

How do you make oven-baked mashed potatoes?

  1. Peel and boil 10 Russet potatoes
  2. Mash potatoes
  3. Add cream cheese, sour cream, salt, milk, and butter
  4. Mix well and continue to mash if necessary
  5. Pour into a baking dish that is 9 x 13 inches
  6. Cover and refrigerate for up to 2 days
  7. Warm up to room temperature before baking – let it sit out, covered for about 30 minutes
  8. Bake at 350 degrees for 45 minutes

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Here’s the printable recipe for you:

oven baked mashed potatoes

Make Ahead Oven Baked Mashed Potatoes

Fluffy and delicious mashed potatoes that you can make in advance for the holidays
5 from 1 vote
Print Pin Rate
Course: Side Dish
Cuisine: American
Prep Time: 30 minutes
Cook Time: 45 minutes
Total Time: 1 hour 15 minutes
Servings: 10 people
Calories: 320cal
Author: Melissa
Cost: $15


  • 8 -10 Russet potatoes – peeled cubed and boiled until tender
  • 8 oz. cream cheese
  • 1 cup sour cream
  • 2 tsp. kosher salt or coarse sea salt
  • ½ cup milk
  • 5 Tbsp. unsalted butter – certainly add more if you like it buttery – Up to 1 whole stick – total


  • Mash the potatoes
  • *use a potato ricer or an electric mixer to smooth out lumps
  • Add the rest of the ingredients and mix well
  • Continue to mash – if necessary to remove lumps
  • Place in a 9 x 13 inch baking dish
  • Cover and refrigerate
  • When ready to bake, let the potatoes warm up to room temperature for about 30 minutes
  • Bake at 350 degrees for 45 minutes


  • This can be made ahead, covered and refrigerated before baking. Let warm up to room temperature (for about 30 minutes) before baking.
To make garlic mashed potatoes – add 1 tsp. of garlic salt and cut back on the coarse salt
  • You can use table salt instead of kosher salt but only use 1 tsp.


Serving: 10g | Calories: 320cal | Carbohydrates: 34g | Protein: 6g | Fat: 19g | Saturated Fat: 11g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.2g | Cholesterol: 54mg | Sodium: 474mg | Potassium: 789mg | Fiber: 2g | Sugar: 3g | Vitamin A: 654IU | Vitamin C: 10mg | Calcium: 84mg | Iron: 2mg

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~Melissa – Kid Friendly Things To Do

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