Grandma's Creamy Potato Salad
Ingredients:
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1 ½ pounds red potatoes, peeled
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1 ½ cups mayonnaise
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1 cup chopped celery
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½ cup chopped onion
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1 tablespoon white vinegar
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1 tablespoon prepared yellow mustard
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1 teaspoon salt
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¼ teaspoon ground black pepper
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4 hard-cooked eggs, chopped
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1 teaspoon paprika, or to taste