Turn on your oven to 180 degrees C and 350 degrees F. On low heat, pour your coconut flakes and walnut in a pan, toast slightly until you begin to smell the flavor. Turn off the heat and allow to cool before use.
In a mixing bowl, combine all the dry ingredients first; Flour, baking powder, baking soda, cinnamon, nutmeg, salt.
In another mixing bowl, combine all the wet ingredients and the brown sugar, whisk them together; eggs, maple syrup, vanilla extract, and oil. Make sure the brown sugar is properly dissolved in the wet ingredient. It should be smooth and lumps free.
Gently add the dry ingredients to the wet ingredients and mix them until smooth and well combined. Add the freshly grated carrots, raisins, roasted coconut flakes, roasted walnuts, and mix everything thoroughly.
Line your 9'inches round or square pan with parchment paper and scoop your batter in the pan. Bake for about 30-35 minutes at 180 degrees C 0r 350 degrees F.