Hot Potato Salad

Ingredients

• 1/2 pound bacon, cooked and crumbled, reserve drippings
• 5 potatoes, cooked in skins and cubed
• 1 onion, chopped
• 1 egg, beaten
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 teaspoon sugar
• 1/2 cup vinegar