Ingredients

8 ounces mild (such as Anaheim or banana) or spicy (such as Fresno or jalapeno) chile peppers, finely chopped 

1/4 cup extra-virgin olive oil 

3 tablespoons red-wine vinegar 

1/4 teaspoon coarse salt 

Preparation

Stir together peppers, oil, vinegar, and salt in a bowl. Let stand 1 hour, or refrigerate, covered, up to 3 days; bring to room temperature before serving.