2 1/4 slices jalapeño chile, seeds removed (use more slices if you like it spicy)
3 parts bottled margarita, such as Skinnygirl® Margarita
Chili powder or Mexican chile seasoning mixed with coarse salt
Lime peel for garnish
Muddle the jalapeño slices in the bottom of a cocktail shaker. Pour Skinnygirl® Margarita over the jalapeños. Add ice and shake well. Rim a rocks glass with the chili powder mixture and pour in the margarita. Garnish with a lime peel.