Preheat your oven to 180°C and line a baking sheet with parchment paper.
Combine vegan butter with brown sugar and coconut sugar. Whisk until smooth.
Add vanilla extract and whisk until combined.
To another bowl, add oat flour, almond flour, baking powder, salt and mix together.
Add the whipped butter to the dry mixture and fold in until fully combined.
Add chocolate chips and fold into the mixture.
Slice the croissants with a bread knife horizontally with a knife. Add 2 small scoops of cookie dough in between and layer more on top of the croissant.
Brush the crossiant with a little maple syrup for extra sweetness and golden crunch.
Repeat for the rest of the croissants. Bake in the preheated oven for about 20-25 minutes until cookie on top is cooked and golden brown.
Allow the Crookies to cool slightly on the baking sheet before transferring them to a wire rack to cool completely.
Serve immediately and watch them disappear!