01 -
Preheat oven to 325°F (165°C).
02 -
In a saucepan over low heat, melt the butter and marshmallows together until smooth.
03 -
In a mixing bowl, combine sugar, eggs, vanilla extract, and salt. Mix thoroughly until well incorporated.
04 -
Gradually pour the melted butter and marshmallow mixture into the sugar mixture while continuously stirring.
05 -
Fold in coconut flakes and sifted flour, mixing until just combined and no dry streaks remain.
06 -
Line a 13 x 9 x 1-inch rectangular baking pan with parchment paper. Spread the batter evenly in the pan.
07 -
Bake for 20-25 minutes, until the top turns golden and a knife inserted into the center comes out clean.
08 -
Remove from the oven and allow to cool completely before slicing into bars.