Kyoto Sour

3 oz. junmai sake
2 slices fresh grapefruit
1/2 oz. fresh lemon juice
3/4 oz. agave nectar
1/4 seeded and deveined shishito or Serrano pepper (or 2 dashes green Tabasco)
Tools: muddler, mixing glass, shaker, strainer
Glass: Old Fashioned
Garnish: mint sprig

Muddle grapefruit and pepper in mixing glass. Add remaining ingredients and shake with ice; strain and pour over fresh ice. Garnish.

Paul Tanguay and Tad Carducci, Tippling Bros.