*Preheat oven to 250 degrees. Combine popcorn and nuts in a lightly greased large roasting pan.
*In a heavy large saucepan, melt butter over medium-high heat. *Stir in brown sugar, molasses, and salt.
*Bring mixture to a boil, stirring constantly.
*Boil 5 minutes without stirring.
*Remove from heat; stir in vanilla, apple pie spice, and baking soda (mixture will foam).
*Pour syrup over popcorn mixture; stir until well
coated. Bake 1 hour, stirring every 15 minutes.
*Spread on lightly greased foil to cool.
*Sprinkle M&Ms or candy corn over popcorn mixture.
*Store in an airtight container.
*Yield: about 30 cups popcorn mix