1 1/2 oz Hangar One Mandarin Blossom vodka 1/2 oz Lime Juice 1/2 oz Simple Syrup 1 1/2 oz Joia Grapefruit Soda 1 1/2 oz Liquor 43 Cilantro, Serrano peppers Muddle cilantro & serrano, add ice & ingredients Rim the glass w/cilantro sugar