Preheat oven to 350 degrees.
Butter a 3-quart baking dish.
Sprinkle 6 Medjool dates, pitted and chopped, evenly over the bottom of baking dish.
In a large bowl, whisk together old-fashioned rolled oats, baking powder, kosher salt, and ground cinnamon.
In another bowl, whisk the milk, maple syrup, melted unsalted butter, eggs, and pure vanilla extract. Add to oat mixture and stir to combine.
Transfer to prepared dish.
Sprinkle with 1 cup fresh or frozen mixed berries.
Bake for 35 minutes or until set.
Sprinkle with toasted pepitas and hemp-seed hearts.
Let cool 20 minutes. Serve warm or cold, with more maple syrup. Enjoy!
