Pecan Brittle
["2 c. pecan halves", "2 c. sugar", "1 c. corn syrup", "1/2 c. water", "1 cube butter", "1 tsp. vanilla", "2 tsp. soda"]
["Pecans should be heated but not cooked in warm oven before added to candy mixture."]
["pecan halves", "sugar", "corn syrup", "water", "butter", "vanilla", "soda"]