Step 1

Preheat the oven to 350F and grease an 8X8 glass baking dish.

Step 2

In a medium bowl, combine the oats, sugar, brown sugar, baking powder, cinnamon, and salt. Mix well.

Step 3

Add in the milk, eggs, and vanilla extract. Whisk until well combined.

Step 4

Whisk in the melted butter.

Step 5

Fold in the chopped and peeled apple.

Step 6

Pour the oatmeal mixture into the prepared baking dish and bake in the oven for 40-45 minutes, or until the center is set.

Step 7

Allow to cool for 5-10 minutes before slicing and serving with milk or whipped cream.