Butterbeer Popcorn (Inspired by Harry Potter)

Name: Butterbeer Popcorn (Inspired by Harry Potter)
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Cuisine: American
Ingredients: 12 cups air-popped popcorn (about 2/3 cup of popcorn kernels); 1 teaspoon baking soda; 1/4 teaspoon ground nutmeg; 4 teaspoons pure vanilla extract; 1 teaspoon almond extract; 1 teaspoon butter flavor; 3/4 teaspoon rum flavor; 8 tablespoons unsalted butter; 1 cup sugar; 3 tablespoons blackstrap molasses; 1 tablespoon water; 1/2 teaspoon coarse kosher salt (use less if using fine salt)