Cinnamon Popcorn

I had this at a Cookie Exchange I went to this year and absolutely loved it!

2 sticks butter
1 cup sugar
1/2 cup karo syrup
Boil together and then reduce to low for about 5 min
add 1 tsp vanilla
4 cups marshmallows
melt
add hot tamales or cin. bears (cut)
2 bags microwave popcorn
mix really well and EAT!!!!!