3 quarts (or 12 cups) of popped popcorn (1/2 cup un popped) 1 C sugar 1/2 C butter (one stick) 1/4 light corn syrup 1/4 t baking soda 1/2 t vanilla food coloring optional Combine sugar, butter, and corn syrup. Bring to a boil, let it boil for 2 minutes until golden in color. Stir in baking soda and vanilla (and food coloring if desired). Pour over popcorn and mix. Lay out on a baking sheet to let cool. Break apart into pieces.