Almond and Raisin Agrodolce

Name: Almond and Raisin Agrodolce
Yield: Makes about 1 cup
Ingredients: ¼ cup chopped golden raisins; ¼ cup white wine vinegar; ⅓ cup extra-virgin olive oil; ¼ cup chopped skin-on almonds; 1 small red onion, very thinly sliced, rinsed, patted dry; ½ tsp. finely grated lemon zest; ¼ tsp. crushed red pepper flakes; Kosher salt; ½ cup parsley leaves with tender stems