01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together almond flour, gluten-free oat flour, baking soda, and salt until well blended.
03 - In a large bowl, whisk melted butter and coconut sugar until smooth. Add egg and vanilla extract; mix until fully combined.
04 - Add dry ingredients to wet ingredients and stir until just combined. Do not overmix.
05 - Fold in dark chocolate chunks and sliced almonds until evenly distributed throughout dough.
06 - Scoop tablespoon-sized balls of dough onto prepared baking sheets, spacing 2 inches apart. Flatten each slightly with fingers for crispier texture.
07 - Bake for 10-12 minutes until edges are golden brown.
08 - Let cookies cool on baking sheet for 5 minutes before transferring to wire rack to cool completely.