Caramel Coconut Macaroon Thumbprints

Bahan-bahan (22 porsi)

• 17 ounces (482g) sweetened shredded coconut (one 14-ounce bag + 1 cup)
• 1/2 cup (100g) granulated sugar
• 1/4 teaspoon salt
• 1 teaspoon pure vanilla extract
• 1 large egg
• 2 large egg whites
• 1/2 cup (145g) homemade salted caramel sauce, cooled (see Note)
• one 4-ounce bar (113g) semi-sweet chocolate, finely chopped
• optional: sprinkle of flaky sea salt