Mashed Potato Casserole Recipe
Mashed Potato Casserole Recipe photo by Taste of Home
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Mashed Potato Casserole Recipe

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“I’ve shared the recipe for Mashed Potato Casserole many times with relatives and friends, just as my sister-in-law shared it with me,” writes Margaret Lindberg of Richland, Washington. “It can be prepared up to 2 days in advance.”
TOTAL TIME: Prep: 30 min. Bake: 30 min.
MAKES:8 servings
TOTAL TIME: Prep: 30 min. Bake: 30 min.
MAKES: 8 servings


  • 3 pounds potatoes, peeled and cubed
  • 1 package (8 ounces) cream cheese, cubed
  • 1 cup (8 ounces) sour cream
  • 1/4 cup milk
  • 1 small onion, chopped
  • 1 teaspoon garlic salt
  • 1/2 teaspoon salt
  • 2 tablespoons butter, melted
  • 1/4 teaspoon paprika


  1. Place the potatoes in a large saucepan and cover with water. Bring to a boil. Reduce heat; cover and simmer until tender. Drain; place potatoes in a large bowl. Add the cream cheese, sour cream, milk, onion, garlic salt and salt; beat until blended.
  2. Transfer to a greased 2-qt. baking dish. Drizzle with butter; sprinkle with paprika. Cover and bake at 350° for 30-35 minutes or until heated through. Yield: 8 servings.
Originally published as Mashed Potato Casserole in Taste of Home February/March 2006, p18

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Reviewed Apr. 28, 2014

"I served this at a neighborhood potluck last night and everyone at the table had seconds. Would definitely serve it again. The only changes I made were to use green onions (4 sliced onions) and as I thought the quantity might be short I added a package of herb instant potatoes to stretch it. No one was the wiser. The dish was very popular with the crowd!"

Reviewed Nov. 29, 2011

"I made this for Thanksgiving at work and everyone loved it! I didn't use a whole onion since some people do not like onions. I did add some onion powder and topped half of it with green onions. Delicious!"

Reviewed Dec. 15, 2009

"I make this a day ahead for Thanksgiving and Christmas. My family loves this recipe, even the kids. I'm always asked to bring this to our family events."

Reviewed Nov. 26, 2009

"I made this a week ago at a church Thanksgiving dinner and now I'm making it for my Thanksgiving dinner at home. I like it not only for its flavor but because it reheats well, which is hard to do with regular mashed potatoes."

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