Preheat your oven to 375°F (190°C) and lightly grease a 9x13-inch baking dish.

In a large mixing bowl, combine the all-purpose flour, granulated sugar, baking powder, and salt. Mix well.

Add the almond milk, melted coconut oil, and vanilla extract to the dry ingredients. Stir until the batter is smooth and well combined.

Gently fold in the fresh blueberries, ensuring they are evenly distributed throughout the batter.

Pour the batter into the greased baking dish and spread it out evenly.

Place the baking dish in the preheated oven and bake for Cassoulet40-45 minutes, or until a toothpick inserted into the center comes out clean.

Once cooked, remove the casserole from the oven and allow it to cool for a few minutes before serving.

Cut into 8 equal portions and serve warm or at room temperature.