Step 1: Preheat your oven to 350°F (175°C) for even cooking.
Step 2: In a large mixing bowl, whisk together the oats, baking powder, and salt.
Step 3: In another bowl, beat the eggs, then add almond milk, maple syrup, vanilla extract, and melted butter or coconut oil. Whisk until combined.
Step 4: Pour the wet mixture into the dry ingredients, stirring until fully incorporated.
Step 5: Gently fold in the fresh berries.
Step 6: Lightly grease the baking dish and pour the mixture in, spreading it evenly.
Step 7: Bake for about 30-35 minutes until golden brown and set.
Step 8: Let cool for a few minutes, then serve warm with extra almond milk or yogurt.