Rob Roy Cocktail Browse more: Recipes Ingredients 1.5 fluid ounces Scotch whisky0.75 cup sweet vermouth1 cup ice Steps Combine vermouth and whisky in a cocktail mixing class. Add ice and stir until chilled. Strain into a chilled cocktail glass. Previous recipe: Pina Colada Cocktail Next recipe: Lime and Tequila-Infused Strawberries