10 cups popped popcorn 1 cup butter 1 cup brown sugar 2 teaspoons vanilla 1/2 teaspoon baking soda Melt butter in medium saucepan; mix in brown sugar. Bring to a boil while stirring continuously. Boil 4 minutes on medium heat. Add vanilla and stir (careful: it can spatter when you add vanilla). Boil one minute […]