Spicy Mango Chutney

Ingredients

• 3 ripe mangos, peeled, seeded, and cut into ¼-inch cubes
• 2 tablespoons canola oil
• 2 cups sweet onion, finely chopped
• ½ teaspoon chile flakes
• 1 tablespoon cornstarch
• ½ cup plus 2 tablespoons tart apple cider
• 1 cup brown sugar, packed
• 2 tablespoons granulated sugar
• 1 tablespoon cider vinegar
• 2 teaspoons curry powder
• ½ teaspoon dry ginger
• ¼ teaspoon Saigon cinnamon