1 cup pecans, coarsely chopped
1 cup brown sugar
3/4 tsp cinnamon
1/4 cup corn syrup
1/2 tsp baking soda
3 squares almond bark (about 4 oz)
Place popcorn and chopped pecans in a large bowl and set aside.
Combine brown sugar and cinnamon in a large glass bowl. Mix well. Add butter and corn syrup. Microwave on high for 30 seconds; stir to combine. Return to microwave and heat for 2 minutes. Remove and stir. Microwave for 2 more minutes. Stir in vanilla and baking soda. Mixture will foam. Pour caramel mixture over popcorn and pecans and stir till everything is well coated.
Line a jelly roll pan with foil and spray with non-stick spray. Pour popcorn onto foil. Place in oven and bake at 250° for 30 minutes, stirring every 10 minutes.