3 bags butters and salted popcorn, popped (remove any kernels) unpopped
3/4 cup butter
1 1/2 cups brown sugar
1/4 + 1/8 cup light corn syrup
1/4 + 1/8 teaspoons baking soda
1 teaspoon vanilla extract
red and green food coloring
Preheat oven to 250 degrees Fahrenheit.
In a medium saucepan, melt together the butter, brown sugar, and corn syrup. Bring to a boil, sitting frequently. Boil over low heat for five minutes. Remove from heat and add the baking soda and vanilla
Place each bag of popcorn in a 9×13 pan coated with cooking spray. Pour approximately 1/3 the caramel over one pan of popcorn. Toss to coat.
Place half of remaining carmel in medium bowl and add red food coloring until you reach the desired shade of red. Immediately pour over second pan of popcorn. Toss to coat.
Add green food coloring to the remaining caramel until you reach desired shade of green. Immediately pour over third pan of popcorn. Toss to coat.
Bake for 45 minutes, rotating pans and stirring each pan with a spatula coated with cooking spray every 15 minutes. Cool completely before serving.