Dump 1 (20 ounce) can crushed pineapple into a 9 x 13 x 2 inch ungreased pan and spread evenly (do not drain pineapple). Dump 1 (21 ounce) can blueberry pie filling on top of pineapple - spread evenly. (Do not mix.) Dump 1 box of plain yellow cake mix (dry).

Do not add eggs, etc. over blueberry pie filling. Spread evenly. (Do not mix.) Spread 1 cup chopped pecans over cake mixture. Slice, add stick of butter onto top.