Preheat oven to 375 and place liners in a muffin tin.
Pulse flax seeds and water in blender until smooth.
Mix together mango, coconut oil, sugar, flax-water mixture, vanilla, and poppy seeds until well blended.
In a separate bowl, whisk together flour, salt, baking powder, baking soda, and nutmeg.
Pour wet mix into dry and beat together with a wooden spoon until mixed through.
Divine into muffin tin, sprinkle poppy seeds on top and bake for 17-25 minutes or until a fork inserted in muffins comes out clean.
Cool and enjoy!