Ingredients

1 tablespoon unsalted butter 

1 1/2 cups peanuts 

1/4 teaspoon coarse salt 

1 teaspoon thinly sliced Thai or serrano chiles 

2 tablespoons fresh lime zest 

2 tablespoons sugar 

Preparation

Melt butter in a large skillet over medium heat. Add chiles and lime zest. Cook, stirring, 15 seconds. Add peanuts, sugar, and salt. Cook, stirring, until glossy and fragrant, about 4 minutes; let them cool to room temperature.