Cucumber and Raisin Relish With Mustard Seeds Recipe | Epicurious

Ingredients

• 1/2 cup apple cider vinegar
• 2 tablespoons light brown sugar
• 2 teaspoons kosher salt
• 2 teaspoons mustard powder
• 1 medium cucumber (about 1/2 pound), cut into 1/4 inch pieces
• 1/3 cup finely chopped onion
• 2 ounces golden raisins (about 1/3 cup)
• 2 teaspoons mustard seeds