2 oz of Tequila
1 tsp of powdered sugar (or sugar)
1/2 slice of lemon
1/2 of msr tequila (or Agavero Tequila Liqueur)
1 of cherry
Shake tequila, juice of lemon, and powdered sugar with ice and strain into a whiskey sour glass. Add the half-slice of lemon, top with the cherry, and serve.