Step 1: Preheat and Prep
Preheat oven to 350°F (175°C). Line a baking sheet with parchment paper.
Step 2: Mix Dry Ingredients
Whisk together gluten-free flour, baking soda, and salt in a bowl.
Step 3: Cream Butter and Sugars
Beat the softened vegan butter with brown and granulated sugars until light and fluffy.
Step 4: Add Wet Ingredients
Stir in the flaxseed mixture (water + flaxseed) and vanilla extract. Mix until combined.
Step 5: Combine Wet and Dry Ingredients
Gradually add dry ingredients to wet ingredients, mixing until dough forms.
Step 6: Make Coffee Swirl
Dissolve coffee powder in hot water. Stir in cocoa powder. Mix until smooth.
Step 7: Form and Swirl Cookies
Scoop dough onto baking sheet. Drizzle coffee swirl over each cookie, then swirl with a toothpick.
Step 8: Bake
Bake for 10-12 minutes, until edges are golden and center is firm. Cool on a wire rack.