Sprinkles Bakes is known for the over-the-top treats featured on her blog and these peanut butter bourbon filled doughnuts fit within that category. These doughnuts are filled with a peanut butter bourbon pastry cream, dipped in chocolate and coated with a crunchy streusel topping. Seriously, what's not to love? Although this recipe admittedly takes 5 hours to make from start to finish, your efforts are rewarded with not a dozen but 30 delicious doughnuts. For full recipe instructions, click here.