01 - Whisk together flour, baking powder, and salt in a medium bowl until well combined.
02 - Beat butter and sugar in a large bowl until light and fluffy. Add egg, vanilla extract, and almond extract, mixing until fully incorporated.
03 - Gradually add dry ingredients to wet mixture, mixing until soft dough forms. Divide dough into two portions: one larger (2/3) and one smaller (1/3).
04 - Tint larger portion with red food coloring, kneading until evenly distributed. Tint smaller portion with green food coloring.
05 - Roll red dough into 10-inch long, 2-inch diameter log. Roll green dough into rectangle and wrap around red log, pressing gently to seal.
06 - Wrap dough log in plastic wrap and refrigerate for at least 1 hour until firm.
07 - Preheat oven to 350°F and line baking sheets with parchment paper.
08 - Slice chilled dough into 1/4-inch thick rounds. Cut each round in half to form watermelon slices. Place on prepared baking sheets.
09 - Press mini chocolate chips into red portion of each slice to mimic watermelon seeds.
10 - Bake for 8-10 minutes until set but not browned. Cool on baking sheet for a few minutes before transferring to wire rack to cool completely.