Wonderland Coffee Cake
["1/2 c. sugar", "1/2 c. brown sugar", "2 Tbsp. cinnamon", "1/2 c. pecans", "1 box yellow cake mix", "1 pkg. instant vanilla pudding", "4 eggs", "3/4 c. oil", "3/4 c. water", "1 tsp. white vanilla", "1 tsp. butter flavoring", "1 c. powdered sugar", "3 Tbsp. milk", "1 tsp. white vanilla", "1 tsp. butter flavoring"]
["Mix and pour over warm cake if desired."]
["sugar", "brown sugar", "cinnamon", "pecans", "yellow cake mix", "instant vanilla pudding", "eggs", "oil", "water", "white vanilla", "butter", "powdered sugar", "milk", "white vanilla", "butter"]