- 1 1/2 sticks (12 tablespoons) unsalted butter
- 1/2 cup sriracha (Asian chile sauce) or hot pepper sauce such as Frank's Red Hot sauce
- 1/4 cup white-wine vinegar
- Heat butter, sriracha, vinegar, and 1/4 teaspoon salt in a small saucepan over medium heat, stirring, until butter is melted.