Combine oats, milk, brown sugar, salt & eggs in a large saucepan. Mix well; simmer over medium heat, stirring regularly until thickened, 15-20 min.
While oatmeal cooks, grease a 9x13 inch pan and preheat oven to 350 degrees.
When oatmeal is thick, add blueberries & pecans and stir to evenly distribute. Pour oatmeal mixture into prepared pan and bake 30 minutes or until oatmeal is set.
For each serving: Place a portion of oatmeal in a bowl and top with warm milk, brown sugar & powdered sugar.