01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - Combine ground flaxseed and water in a small bowl. Stir and let sit for 5 minutes until thickened.
03 - Beat coconut oil and sugar together in a large mixing bowl until smooth and creamy.
04 - Mix in the flax mixture, coconut milk, vanilla extract, and coconut extract until combined.
05 - Whisk together flour, baking soda, baking powder, and salt in a separate bowl.
06 - Gradually add dry ingredients to wet mixture, mixing until just combined.
07 - Fold in shredded coconut and chopped hibiscus petals.
08 - Scoop tablespoon-sized portions of dough, roll into balls, and coat each ball in the reserved granulated sugar.
09 - Place cookies 2 inches apart on prepared baking sheets and flatten slightly with your palm.
10 - Bake for 10 to 12 minutes until edges are set and centers appear slightly underbaked.
11 - Let cookies cool on baking sheet for 5 minutes, then transfer to wire rack to finish cooling.