Step 1: Preheat your oven to 350°F (175°C).
Step 2: Line a 9x9 inch baking pan with parchment paper.
Step 3: In a large mixing bowl, combine melted butter and brown sugar until smooth. Add egg and vanilla and mix until incorporated.
Step 4: In a separate bowl, mix flour and salt, then gradually add to the wet mixture, stirring until just combined.
Step 5: Fold in coconut and white chocolate chips.
Step 6: Pour batter into the prepared pan, spread evenly, and bake for 20-25 minutes.
Step 7: Let cool for 10 minutes, then drizzle melted semi-sweet chocolate over the top.
