Created by dienia b on April 20, 2015
Step 1: Preheat oven to 375°F.
Step 2: Place white and sweet potatoes in separate bowls.
Step 3: Add half each of the cream cheese and sour cream to the potatoes in each bowl; season with salt and pepper..Mash with potato masher.
Step 4: Stir half of the parmesan into the bowl of white potato mix.
Step 5: Mix half of the cheddar cheese into the bowl of sweet potatoes.
Step 6: Alternately layer half each of the white potato mixture and sweet potato mixture in a 2 qt clear glass casserole dish.
Step 7: Repeat layers.
Step 8: Bake 25 minutes.
Step 9: Sprinkle with remaining cheeses and continue baking 5 minutes or until cheeses are melted.