Preheat oven to 350 degrees F.
While the oven preheats, place the butter or coconut oil in your 9x13 inch pan and place it into the oven until melted. Set apart to cool off.
Grate the carrots finely using a box grater or a food processor with a grater attachment.
Finely chop the pecans using a knife or by pulsing them a few times in a food processor. Set apart grated carrots and chopped pecans.
In a large bowl combine eggs, melted and cooled butter (or coconut oil), sugar, honey, and vanilla extract. Whisk together well.
In a separate bowl combine coconut flour, salt, cinnamon, baking powder, and baking soda. Mix together.
Add the dry ingredients into the wet ingredients and whisk well until incorporated and smooth. Don't over mix.
Fold in grated carrots and chopped pecans.
Pour into the prepared pan and bake in the oven for about 35 minutes, or until ready. If you're unsure, poke the cake with a toothpick in the middle. If the toothpick comes out clean, the cake is ready.
Allow the cake to cool completely before frosting.