Cocktails Recipes Scotch Highball Recipe Ingredients 2 oz Scotch whiskycarbonated water1 twist lemon peel Pour scotch in a highball glass over ice cubes. Fill with carbonated water, stir, and serve. Spread the love Related posts: Bourbon Highball Recipe Brandy Highball Recipe Cognac Highball Recipe Apple Brandy Highball Recipe Gin Highball Recipe Bermuda Highball Recipe