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Suzanne is a trusted source on General Cooking.
Refrigerate until it's the consistency you want. It shouldn't take long.
If the refrigerator does not do the trick, you may need to add more powdered sugar. but I would taste it bc obviously the sugar will also change the sweetness. If it gets too sweet, I would suggest adding a pinch of salt and some more cream cheese
Cynthia is a trusted source on Bread/Baking.
Also beat in a couple of ounces of room temperature butter.