Make Ahead Mashed Potato Casserole Recipe

This creamy, dreamy mashed potato casserole is a total time-saver! Perfect for potlucks, holidays, or a comforting weeknight meal. This recipe, originally from Canadian Living magazine, boasts incredible flavor and a flawlessly smooth texture – all without an electric mixer! Get ready for the ultimate mashed potato experience.

Prep Time 30 mins

Cook Time 60 mins

Calories 352.4 kcal

Protein 14g

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The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Make Ahead Mashed Potato Casserole

2 lbs Yukon Gold potatoes
4 oz cream cheese
4 tbsp butter
1/2 cup finely chopped yellow onion
1/2 cup sour cream
2 tbsp chopped fresh parsley
1 tsp dried marjoram
1 tsp salt and 1/2 tsp black pepper
1 cup bread crumbs (panko recommended)

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How to Make Make Ahead Mashed Potato Casserole

Boil 2 lbs Yukon Gold potatoes in a large pot of salted water for 20-25 minutes, or until easily pierced with a fork.
Drain the potatoes and let them cool slightly. Peel and set aside.
In a large bowl, mash the potatoes with a potato masher until smooth. Stir in 4 oz cream cheese and 4 tbsp butter until melted and fully incorporated.
Add 1/2 cup finely chopped yellow onion, 1/2 cup sour cream, 2 tbsp chopped fresh parsley, 1 tsp dried marjoram, 1 tsp salt, and 1/2 tsp black pepper. Mix until well combined.
Transfer the mashed potato mixture to an 8-inch square baking dish. Smooth the top.
Sprinkle with 1 cup bread crumbs (panko recommended).
Bake in a preheated 400°F (200°C) oven for 20-25 minutes, or until heated through and the topping is golden brown.

Nutrition Information (Approximate per serving)

Sodium

7 g

Sugar

15g

Fat

50g

Carbs

14g

Recipe Categories (Choose a category and find related recipes!)

Main Courses Main Dish / Dinner Sweets & Sides Side Dishes The Americas American Vegetarian Fall Recipes Holiday Recipes Game Day Recipes Baking

Frequently Asked Questions

How long does it take to make Make Ahead Mashed Potato Casserole?

Make Ahead Mashed Potato Casserole takes about 90 minutes from start to finish — roughly 30 minutes to prepare and 60 minutes to cook.

How many calories are in Make Ahead Mashed Potato Casserole?

Make Ahead Mashed Potato Casserole has approximately 352.4 calories per serving, with about 14 g protein, 14 g carbohydrates and 26 g fat.

What ingredients do I need for Make Ahead Mashed Potato Casserole?

The key ingredients for Make Ahead Mashed Potato Casserole are Potatoes, Cream Cheese, Butter, Green Onion, Sour Cream, Fresh Parsley. See the full list with measurements above.