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Refrigerator Mashed Potatoes

my windowsill
These potatoes are a gourmet dish. The nice part is that all the work is done days ahead of the occasion.
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Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Course potatoes
Cuisine American
Servings 8

Ingredients
  

  • 6 cups mashed potatoes
  • 8 oz. cream cheese
  • ½ cup melted margarine
  • 1 tsp. salt
  • ½ tsp. garlic salt
  • 1 cup sour cream or Greek Yogurt
  • ¼ cup finely chopped onion OR ¼ tsp. onion powder

Instructions
 

  • Peel and chunk potatoes.
  • Cook until tender.
  • Drain water, then mash potatoes
  • Add other ingredients and mix well.
  • If potatoes are stiff, add a little milk.
  • Pour into greased 2-quart casserole dish.
  • Put dabs of butter on top and cover.
  • Refrigerate until ready to use
  • Bake at 350 for 45-55 minutes if the potatoes are cold.
  • If the potatoes are still warm, just put into oven until they are heated through.