Sour Cream Donuts Lots of leftovers results in some recipe (sour) scheming

So much sour cream. Seriously, you should see the nearly literal vat of sour cream in my refrigerator right now. We hosted a catered meal about a week ago, and I ended up with the leftovers in my fridge. I’m not complaining, mind you, because the meal was absolutely delicious, and I’m never going to …