Creating this Kid-Friendly Pumpkin Casserole is as simple as following these carefully laid out steps:

1. Preheat the Oven: Begin by preheating your oven to 350°F (175°C).
2. Mix the Base: In a large bowl, combine the canned pumpkin, cooked quinoa, and shredded cheddar cheese.
3. Add in the Wet Ingredients: Whisk together the milk, eggs, maple syrup, ground cinnamon, ground nutmeg, salt, and black pepper in a separate bowl.
4. Combine Everything: Pour the wet mixture into the pumpkin-quinoa mix. Stir well to ensure everything is blended smoothly.
5. Prepare Your Baking Dish: Grease a 9×13-inch baking dish.
6. Pour the Mixture: Transfer the casserole mixture into the prepared baking dish, spreading it evenly.
7. Prepare the Topping: In a small bowl, mix the breadcrumbs with melted butter until they are thoroughly coated.
8. Top the Casserole: Sprinkle the breadcrumb mixture evenly over the casserole.
9. Bake: Place the dish in the preheated oven and bake for about 45 minutes, or until the top is golden brown and the casserole is heated through.
10. Cool Slightly: Once baked, let it cool for a few minutes before serving.

These instructions will help you create a delectable casserole that your kids will love!