INGREDIENTS
1/2 cup
Corn syrup, light
1/2 tsp
Baking soda
1 1/4 cups
Brown sugar, packed light
1 1/2 tsp
Fleur de sel
1/2 tsp
Salt
1 tsp
Vanilla extract, pure
1 tbsp
Vegetable oil
1
Vegetable-oil cooking spray
1/3 cup
Popcorn, kernels
8 tbsp
Butter, unsalted