In a small food processor, grind jalapeno until very fine. Add lime juice, orange juice, confectioners' sugar and tequila; mix. Pour margarita into a salt-rimmed glass with ice cubes. Garnish with lime wedge.
Recipe by sweet caroline's cooking at https://sweetcarolinescooking.com/2014/07/15/tequila-tuesday-spicy-jalapeno-margarita/