I only had baked oatmeal for the first time this summer when my mum cooked at camp. Just recently I went searching for a recipe that might be similar and found an amazing recipe on food.com. Here it is with some Lisa mods.
3 cups quick-cooking oatmeal (not instant)
1 cup brown sugar
2 teaspoons baking powder
1 teaspoon cinnamon
1 cup milk
½ cup butter or margarine, melted
2 large eggs, lightly beaten
1 handful of almonds (perhaps ½ cup)
¾ cup blueberries
I mixed this all up in a 9 x 9 glass dish (yay for less cleaning) and baked it for 30 minutes at 350F
Serve with more brown sugar and milk.