Crunchy Millionaire's Shortbread recipe is a combination of deliciously crumbly shortbread, smooth, gooey caramel, salty, crunchy pretzels, and a drizzle of dark chocolate. It's a dangerously delicious, tasty treat that everyone loves. I've been wanting to make this Crunchy Millionaire's Shortbread recipe forever! I originally got the idea for it from the Cooking Channel show Unique