Roy Rogers Drink Recipe. Add ½ ounce grenadine to 6. It’s the basic roy rogers drink mixed with vodka (or whiskey) for a refreshing and thrilling cocktail.

How to mix this cocktailfill a highball glass with ice cubes. The drink is delicious and it is a combination of the greatest ingredients which include grenadine, cola, and maraschino cherry. Although it’s not particularly exciting, a classic nonalcoholic drink is little.