Preheat the oven to 350 degrees F (175 degrees C). Lightly grease baking sheets or line with parchment paper. Mix flour, baking powder, and salt together in a bowl.

Beat butter and sugar in a large bowl with an electric mixer. Beat in eggs, vanilla, and lemon extract, then beat in bananas macadamia nuts and chocolate chips. Gradually mix in dry ingredients. Drop spoonful of dough onto the prepared baking sheets.

Bake in the preheated oven until lightly colored, 12 to 15 minutes. Transfer to wire racks to cool.