2 sticks (1 cup) salted butter 1 1/4 cups packed dark brown sugar 1/4 cup granulated sugar 1 large egg plus 1 egg yolk 1 tablespoon vanilla extract 2 1/4 cups all-purpose flour 2 tablespoons instant coffee granules 1 teaspoon baking soda 1/2 teaspoon salt 1 cup caramel bits 3/4 cup Nestle Semi-Sweet Chocolate Chunks