01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - Whisk together flour, baking soda, baking powder, and salt in a medium bowl. Set aside.
03 - Beat vegan butter and granulated sugar in a large mixing bowl until light and fluffy.
04 - Mix in applesauce, pineapple juice, and vanilla extract until well combined.
05 - Gradually add dry ingredients, mixing just until incorporated. Avoid overmixing.
06 - Gently fold diced pineapple and apple into dough until evenly distributed.
07 - Drop tablespoon-sized dough portions onto prepared sheets, spacing 2 inches apart.
08 - Bake for 10 to 12 minutes until edges are lightly golden.
09 - Let cookies rest on baking sheet for 5 minutes, then transfer to wire rack to cool.