Grind unsweetened coconut in food processor(if desired). You can skip this step if you don't have a food processor. The look of the macaroon will be different, but the taste will be the same.
In a large bowl, beat egg whites, vanilla, almond extract and salt with a hand mixer. Add remaining ingredients and beat until well blended.
Cook mixture in large sauce pan over medium heat for 5-6 minutes, stirring constantly. Remove dough from pan and place in a separate bowl to cool.
Heat oven to 350 degrees.
Line cookie sheet with parchment paper. Scoop about 2 Tablespoons of dough into rounds and place about 1 inch apart on the cookie sheet. Using damp fingers, shape the dough into little mountains.
Bake for 18- 20 minutes or until the edges and top are golden brown. Cool completely.
Grate a small amount of the chocolate bar with a fine grater and set aside.
Melt remaining chocolate in a microwave safe bowl in 30 second increments, stirring in between until the chocolate is just melted.
Dip the tops of the cookies into the melted chocolate and lightly sprinkle with grated chocolate.