A delicious recipe for Tequila Old-Fashioned, with tequila, carbonated water, sugar, bitters and pineapple. Also lists similar drink recipes. Ingredients:1 1/2 oz tequila1 splash carbonated water1/2 tsp sugar1 dash bitters1 pineapple stick Method:Mix sugar, bitters, and 1 tsp. water in an old-fashioned glass. Add tequila, ice cubes, and carbonated water.