PREHEAT oven to 325° F. Lightly grease and flour baking sheet.
WHISK egg whites until frothy in medium bowl. Stir in coconut, sugar, flour, vanilla extract and salt until well blended. Divide coconut mixture into 4 bowls. Add 1 to 2 drops different color food coloring to each bowl; mix until colors are dispersed evenly. Drop by tablespoonfuls into 12 mounds 1 1/2 inches apart. Press centers in slightly to form nests.
BAKE for 20 to 22 minutes or until set and lightly golden brown. Remove baking sheet to a wire rack. Cool on baking sheet for 10 minutes; transfer nests to wire rack to cool completely. Place 1 Nestlé NestEgg in each nest before serving.