Blueberry Coffee Cake
["1 white cake mix", "1/2 c. oil", "4 eggs", "1 c. sour cream", "1/2 c. flour", "1/2 c. sugar", "1 tsp. cinnamon", "1 pkg. instant vanilla pudding", "2 tsp. vanilla", "1 can blueberry pie filling", "4 Tbsp. oleo", "1/2 c. nuts (if desired)"]
["Grease and flour 9 x 13-inch pan.", "Mix well the cake mix, pudding, sour cream, oil, eggs and vanilla.", "Place part of mixture in pan and cover with pie filling.", "Cover with rest of cake mixture.", "Top with combined flour, sugar, oleo, cinnamon and nuts. Bake at 350\u00b0 for 45 to 50 minutes."]
["white cake", "oil", "eggs", "sour cream", "flour", "sugar", "cinnamon", "instant vanilla pudding", "vanilla", "blueberry pie filling", "oleo", "nuts"]