Cornerstone is extremely pleasant strong cocktail at 1.3 standard drinks. Built with 15ml rum light white appleton and 15ml rum black captain morgan with 50ml cranberry juice white as well as 10ml bitters angostura including 100ml ice and best at tea time. Just place one large ice cube into glass then add half a shot of white jamaican rum and pour in half a shot of black jamaican rum. Top with white cranberry juice and splash a little bitters on top and best served with a mega pattie and served in a old fashioned glass cold.