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May 20, 2025

Pam’s Casserole

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Pam’s Casserole–a creamy, seasoned mashed potato casserole made with cream cheese, butter, and a trio of salts. Make with the help of your Instant Pot or slow cooker.

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Pam's Casserole

Pam’s Casserole

I’ve adapted this recipe from Pam’s Potato Casserole on Food.com. The author says, “This is a dish my sister-in-law used to make, when she cooked years ago. It is not for those that are watching their weight. Very good and easy to make.” We found this potato casserole so yummy! The combination of cream cheese, butter, and three kinds of salt gives the potatoes a creamy texture and deep, savory flavor. I made it as a side dish to grilled chicken, salad and garlic bread. It was a perfect meal that I fed to Skyler and his friends.

This dish is make-ahead friendly. You can prep it in advance, spread in the 9×13 inch baking dish, cover with foil and bake later. It works in both the Instant Pot and slow cooker, so you can choose what fits your schedule. It does feed a crowd (5 pounds of potatoes serve about 10!) so it’s ideal for family gatherings or potlucks. If you want to try out this recipe for a smaller group just cut the recipe in half.

Ingredients/Substitution Ideas

  • Russet potatoes–or yukon gold potatoes
  • Cream cheese
  • Half and half–or evaporated milk
  • Butter
  • Garlic salt
  • Lawry’s seasoning salt
  • Kosher salt
  • Black pepper
  • Paprika

Steps

Pour 1 ½ cups of water into bottom of Instant Pot. Place a trivet in the bottom of the Instant Pot. Place peeled potatoes on top of the trivet.

Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 25 minutes (alternately you can cube the potatoes and place in a steamer basket and only pressure cook for 8 minutes). When time is up move valve to venting and remove the lid. 

Discard the liquid and move the trivet out of the pot. Place potatoes into the pot and mash. Stir in the cream cheese, half and half, butter, garlic salt, seasoning salt, kosher salt and black pepper until butter and cream cheese melt and are incorporated. 

Spread the potatoes in a 9×13 inch baking dish and sprinkle with some paprika. Bake at 350° F for 30 minutes.

Serve and enjoy!

Pam's Mashed Potato Casserole

Notes/Tips

  • We served this as a side dish to grilled chicken, salad and fresh fruit.
  • This recipe is gluten free.
  • You don’t have to do the baking step at the end of the cooking time and can serve these as fancy mashed potatoes instead of a casserole.
  • Let the cream cheese, butter, and half and half sit out for a bit so they mix in smoothly without cooling down the potatoes.
  • Cube the potatoes for faster cooking. Cubing the potatoes lets them cook faster and mash more evenly. I didn’t feel like cubing them up so I opted for the longer pressure cooking time.
  • Stir in roasted garlic, caramelized onions, chopped green onions, or shredded cheese for a flavor boost.
  • I used my 6 quart Instant Pot*. You can also make this in an 8 quart pot.
  • Want to cut the recipe in half? Cut in half all the ingredients (except water under the trivet) and bake in a square 9×9 inch baking dish instead of a 9×13 inch baking dish.
  • Store leftovers in an airtight container* in the refrigerator for up to 4 days or in the freezer for up to 3 months.
  • Other recipes you can make with half and half are Tornado Casserole and Tortellini Spinach Soup.
Did you know you can filter the recipes on my website to search by meat type, IP or Crockpot, low carb, gluten free, etc.? Use the filter to find exactly what you are looking for. 

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Instant Pot/Crockpot Pam's Mashed Potato Casserole
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Pam’s Casserole


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  • Author: 365 Days of Slow and Pressure Cooking
  • Prep Time: 20 minutes
  • Total Time: 20 minutes
  • Yield: 8–10 servings 1x
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Description

A creamy, seasoned mashed potato casserole made with cream cheese, butter, and a trio of salts. Make with the help of your Instant Pot or slow cooker. 


Ingredients

Scale
  • 5 pounds Russet potatoes, peeled
  • 4 oz cream cheese
  • 1/2 cup half and half
  • 1/2 cup butter
  • 1 tsp garlic salt
  • 1 tsp Lawry’s seasoning salt
  • 1 tsp kosher salt
  • 1 tsp black pepper
  • Paprika

Instructions

Instant Pot Instructions:

  1. Pour 1 ½ cups of water into bottom of Instant Pot. Place a trivet in the bottom of the Instant Pot. Place peeled potatoes on top of the trivet. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 25 minutes (alternately you can cube the potatoes and place in a steamer basket and only pressure cook for 8 minutes). When time is up move valve to venting and remove the lid. 
  2. Discard the liquid and move the trivet out of the pot. Place potatoes into the pot and mash. Stir in the cream cheese, half and half, butter, garlic salt, seasoning salt, kosher salt and black pepper until butter and cream cheese melt and are incorporated. 
  3. Spread the potatoes in a 9×13 inch baking dish and sprinkle with some paprika. Bake at 350° F for 30 minutes. Serve and enjoy!

Slow Cooker Instructions:

  1. Pour 1 ½ cups of water into slow cooker. Cube up the potatoes and add to the slow cooker. Cover and cook on low for 4 hours, or until potatoes are tender.
  2. Drain off water. Mash the potatoes. Stir in the cream cheese, half and half, butter, garlic salt, seasoning salt, kosher salt and black pepper until butter and cream cheese melt and are incorporated. 
  3. Spread the potatoes evenly and sprinkle with paprika. Cover and cook on high for 30 minutes. 
  4. Serve and enjoy.
  • Category: Side
  • Method: Instant Pot or Slow Cooker

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*Karen Petersen is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.

2 Comments Filed Under: All Recipes, Gluten Free, Instant Pot, Potatoes, Side Dish, Slow Cooker

Comments

  1. Michele Rogers says

    May 22, 2025 at 9:37 am

    Twenty-five minutes in the Instant Pot is an insane amount of time for.potatoes. Is that a typo? Am I missing something here? Cut-up Yukon golds take 5 minutes. At ten they’re dry, mealy and burnt tasting (even with plenty of water). Whole russets will take a little longer but jeez oh pete I can cook a whole roast in 25. Even 5lbs should not take that long, right?

    Reply
    • Karen says

      May 22, 2025 at 11:48 am

      Because the potatoes are whole I cooked them for 25 minutes and then they are perfectly ready to be mashed. If you cube them up you could cook for 8 minutes.

      Reply

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Hi, I’m Karen. I know that dinner time can be less than relaxing. Busy schedules and cranky kids and a hundred other things can lead to weariness when it comes to putting dinner on the table. I can help! I make homemade, family-friendly slow cooker and Instant Pot dinners and share the recipes with you.

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