Preheat oven to 350°F (175°C).
Lightly grease an 8-inch baking dish.
In a large mixing bowl, combine steel-cut oats, pepitas, flaxseed meal, baking powder, ginger, and salt.
In a separate bowl, whisk together almond coconut milk, maple syrup, melted coconut oil, egg, and vanilla extract.
Pour the wet ingredients into the dry ingredients and stir until combined.
Gently fold in the blueberries.
Transfer the mixture to the prepared baking dish and spread evenly.
Bake for 40–45 minutes or until the center is set and the top is lightly golden.
Allow the Blueberry Baked Oatmeal Recipe to cool for 10 minutes before serving.
Serve warm with additional blueberries, yogurt, or a drizzle of maple syrup if desired.