Bring almond beverage, maple syrup, salt and 1 cup (250 mL) water to a boil in small saucepan; immediately pour over oat mixture. Screw lid on tightly to close. Holding jar in tea towel, shake gently to combine. Let stand on counter 10 minutes, shaking once or twice. Refrigerate for 12 hours. (Make-ahead: store in refrigerator for up to 3 days.)