What you need:

• 1.5 oz jalapeño tequila
• 1 oz triple sec
• juice of 1/2 a lime
• 1/2 oz agave nectar
• topo chico
• optional: agave and tajín for rim

What to do:

1. In a shaker bottle full of ice, combine tequila, triple sec, lime, and agave nectar.
2. Shake well, and pour over ice in rimmed glass.
3. Top with Topo Chico.
4. Enjoy!