01 - Preheat oven to 350°F and line a baking sheet with parchment paper.
02 - In a large bowl, stir together shredded coconut, sugar, egg whites, vanilla extract, and salt until fully combined.
03 - Using a tablespoon or small scoop, drop mounds of mixture onto the prepared sheet, spacing about 1 inch apart.
04 - Bake for 18 to 20 minutes until edges and tops turn golden brown.
05 - Remove from oven and allow macaroons to cool completely on the baking sheet.
06 - Melt dark chocolate with coconut oil, if using, over simmering water or in the microwave in 20-second intervals, stirring until smooth.
07 - Dip bottoms of each macaroon into melted chocolate, place on parchment, then drizzle remaining chocolate over tops using a fork or piping bag.
08 - Let chocolate set at room temperature or refrigerate for 10 to 15 minutes before serving.