Let’s celebrate the first day of autumn with a bright cocktail reminiscent of summer but warming for the coolness of fall. This cocktail is a kind of a variant to a Moscow Mule just based on Old Tom gin, lime and ginger beer. The ginger forward aspect of this cocktail brings the warmth while the lime reminds me of summer citrus drinks. I have read that you can use London Dry gin since the ginger takes the stage flavor-wise, but my tasting tests were not so promising. And since I picked up some Old Tom gin for the recent Ampersand cocktail, this is a perfect second cocktail based on this beautifully unique spirit. So let’s enjoy these waning days of warm weather and…