Preheat oven to 350 degrees. Spray 8x8 baking pan with oil.
In large bowl, mix together first six (dry) ingredients.
In separate bowl, mix remaining ingredients other than blueberries.
Pour wet ingredients into dry, mix, then carefully fold blueberries into batter.
Pour batter into pan and bake approximately 40 minutes, until toothpick inserted in the center comes out clean.
Let pan cool 5 minutes before cutting oatmeal blueberry bars into squares.