Baked Caramel Popcorn
["1/2 c. white syrup", "2 c. brown sugar", "1/4 tsp. cream of tartar", "1 tsp. salt", "2 sticks margarine", "1 tsp. soda", "5 qt. popped popcorn"]
["Melt slowly all ingredients except popcorn and soda, then boil 5 minutes.", "Add soda.", "Pour over popcorn. Put on 2 cookie sheets. Bake 1/2 hour in 225\u00b0 oven, stirring every 10 minutes."]
["white syrup", "brown sugar", "cream of tartar", "salt", "margarine", "soda", "popcorn"]