Combine the vodka, rum, coconut creme, egg white, vanilla extract, and ice together in a cocktail shaker and shake to incorporate.
Place the chocolate sauce in a plate. Rim the glass in the chocolate sauce and garnish with the macaroon cookie.
In a tall glass container, combine the vanilla beans and vodka. Cover and steep for 3 days.
Raw Egg Warning
Food Network Kitchens suggest caution in consuming raw and lightly-cooked eggs due to the slight risk of Salmonella or other food-borne illness. To reduce this risk, we recommend you use only fresh, properly-refrigerated, clean, grade A or AA eggs with intact shells, and avoid contact between the yolks or whites and the shell.