Classic Dry Martini Cocktail Recipe 3 mins 1 drink Gin, Other Liqueurs Ingredients 75ml London Dry Gin 15ml Dry Vermouth Get all your USA cocktail ingredients at ReserveBar Affiliate link — we may earn a commission at no extra cost to you. Directions Combine gin and vermouth in a mixing glass with ice. Stir for 20 seconds. Strain into a Martini glass Garnish with green olives or a lemon twist.