Blueberry-Oatmeal Breakfast Cake

1/2 cup packed brown sugar
1 cup oatmeal
1 cup all-purpose flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
1/2 cup vegetable oil
1 egg
1 cup buttermilk
1 cup blueberries

Combine sugar, oatmeal, flour, baking powder, baking soda and salt. Add oil, egg and buttermilk; mix well. Pour into a greased 8-inch square pan; sprinkle with blueberries. Bake at 375 degrees F for 35 to 45 minutes or until brown.

Serve with syrup.