INGREDIENTS
10 cups
plain popcorn, about 1/3 cup kernels, popped (see note)
1 cup
packed light or dark brown sugar
1/2 cup
(4 ounces, 8 tablespoons) butter
1/4 cup
corn syrup
salt (I use coarse, kosher salt)
1/2 tsp
baking soda
1 tsp
vanilla extract