Preheat oven to 300 degrees F. Combine oats, bran, almonds, cinnamon, cardamom and ginger in a large bowl. Set aside.
Heat apple juice, orange juice, lemon juice, oil, honey and orange and lemon zests in a small saucepan over medium heat until warm. Stir in vanilla. Pour liquid ingredients into dry ingredients and mix thoroughly.
Spread mixture on two 11-by-16-inch baking sheets. Bake until golden brown, about 35 minutes, stirring every 5 minutes. Let cool and stir in raisins (or dates, if using).
Make Ahead Tip: Store in an airtight container for up to 3 months.
2 starch, 1/2 fat