Baked Potatoes With Cheese
["8 to 10 medium-size potatoes", "1/2 c. bacon fat", "kosher salt", "3 Tbsp. grated Provolone cheese", "3 Tbsp. low-fat yogurt", "1/2 tsp. Parmesan cheese", "1 egg yolk", "1/2 tsp. fresh chives", "1/4 c. butter", "salt, pepper and nutmeg"]
["Rub potatoes with bacon fat and season with salt.", "Bake 1 hour and 10 minutes at 375\u00b0, turning occasionally.", "Cut off tops of potatoes while hot and scoop out all of potatoes from inside. Using a press-type sieve, sieve the cooked potato into bowl.", "(You need 2 cups potato puree.)"]
["potatoes", "bacon fat", "kosher salt", "Provolone cheese", "low-fat yogurt", "Parmesan cheese", "egg yolk", "fresh chives", "butter", "salt"]