When a seasoned bartender like Karl Steuck describes a cocktail as an "easy-to-make lil' banger," you know it's going to be perfect for an afternoon of picnicking, or washing away a long week of work. True to its name, this steady sipper is alive with two different types of citrus that provide acidity and sweetness in equal parts. Brightness, bubbles, and simplicity now come in a Collins glass.