In a medium bowl, mix graham cracker crumbs with melted butter until well combined.
Press the mixture firmly into the bottom of a 9×13-inch baking dish to form an even crust.
Prepare the Filling:
In another bowl, combine drained crushed pineapple, shredded coconut, sweetened condensed milk, pineapple juice, and coconut rum (if using). Mix well until smooth and evenly combined.
Assemble the Dessert:
Pour the pineapple-coconut mixture over the prepared crust. Spread it evenly with a spatula.
Chill:
Cover the dish with plastic wrap and refrigerate for at least 4 hours or until set.
Serve:
Cut into squares and enjoy this tropical, creamy treat!
Tips & Variations
