In the bowl of a food processor, pulse together flour, salt, pepper, garlic powder & smoked paprika. Add the butter & pulse 5-7 more times or until butter is incorporated into flour & no large pieces remain. It should look like coarse meal. Add the cheeses & pulse a couple more times until combined. With the machine running, stream in 1/4 cup of the half & half until mixture comes together in a ball. Divide ball in half.