01 -
Preheat oven to 350°F (175°C). Grease a baking dish thoroughly to prevent sticking.
02 -
In a large bowl, whisk together eggs, milk, maple syrup, and vanilla extract until well combined.
03 -
Stir in oats, baking powder, cinnamon, and salt until evenly incorporated.
04 -
Gently fold in diced apples and nuts (if using) to distribute throughout the mixture.
05 -
Pour the mixture into the greased baking dish and spread evenly. Bake for 30-35 minutes, or until the top is golden brown and the center is set.
06 -
Allow to cool for 5 minutes before serving. Enjoy warm, or refrigerate and reheat portions for a quick breakfast throughout the week.