Crispy Chocolate Popcorn Recipe

Name: Crispy Chocolate Popcorn Recipe
Ingredients: 2 ounces unsalted butter (about 4 tablespoons; 55g) or 1 1/2 ounces raw cocoa butter (shy 1/4 cup; 40g), plus more for greasing; 1 3/4 ounces freshly popped popcorn (about 7 cups once popped; 50g); 3 ounces water (about 1/3 cup; 85g); 4 ounces golden syrup or light corn syrup (about 1/3 cup; 110g); 9 ounces sugar (about 1 1/4 cups; 255g); 3 ounces 72% dark chocolate, finely chopped (about 1/2 cup; 85g); 3/4 teaspoon baking soda; 1/4 teaspoon (1g) Diamond Crystal kosher salt; for table salt, use about half as much by volume or the same weight