To make a sweet and salty chocolate bark, first you'll need to prepare your ingredients. First, you will need your chocolate. You can buy chocolate at your local grocery store, or you can make your own at home with ingredients you already have on hand. If you don't have any salt, use kosher salt instead. Using an electric mixer, cream the butter and sugar together until light and fluffy. Then, add the eggs and vanilla and mix until combined. Pour the mixture into the melted chocolate and stir until the chocolate is evenly coated. Set aside to cool.