01 - In a medium bowl or large jar, add rolled oats, milk, yogurt, honey or maple syrup, ground cardamom, vanilla extract, and salt. Stir until thoroughly combined.
02 - Gentle fold in diced mango, raisins or dates, and half of the sliced nuts. Mix to distribute evenly.
03 - Cover the container and refrigerate overnight, or for a minimum of 8 hours to allow the oats to absorb the liquid.
04 - Stir the chilled oats in the morning. Add additional milk if a looser texture is preferred.
05 - Garnish with the remaining nuts and extra mango if desired. Serve chilled.