Coconut Cookies (Soft and Chewy)

Ingredients (11)

• 2 cups all purpose flour, spooned and leveled
• 1 teaspoon baking soda
• 2 teaspoons cornstarch
• 1 teaspoon salt
• 12 Tablespoons butter
• 1/2 cup granulated sugar
• 1 cup brown sugar
• 1 whole egg, 1 yolk
• 1 teaspoon vanilla extract
• 3 cups sweetened shredded coconut, divided
• 1 1/2 cups semi sweet chocolate chips, chopped pecans, or other additions (optional)