01 -
Combine orange gelatin dessert mix with boiling water in a large mixing bowl and stir until fully dissolved. Refrigerate for 30 minutes, or until the mixture is thoroughly cooled.
02 -
Add whole milk and instant vanilla pudding mix to the gelatin. Whisk thoroughly until smooth and homogenous. Refrigerate for an additional 15–30 minutes to allow the mixture to thicken slightly.
03 -
Gently fold in the drained mandarin oranges, whipped topping, and mini marshmallows until evenly distributed.
04 -
Return the bowl to the refrigerator and chill for at least 1 hour or until set. Serve cold.