Making Amish Harvest Casserole is straightforward if you follow these simple steps:

1. Preheat the Oven: Set your oven to 350°F (175°C).
2. Brown the Meat: In a large skillet, cook the ground beef or turkey over medium heat until browned. Drain excess fat if necessary.
3. Add Onions: Add the diced onion to the skillet and sauté for about 5 minutes until soft.
4. Mix in Vegetables: Stir in the chopped mixed vegetables and cook for an additional 5 minutes until they start to soften.
5. Prepare Rice: Combine the cooked rice or quinoa with the meat and vegetable mixture.
6. Create Sauce Mixture: In a mixing bowl, combine the cream of mushroom soup, milk, garlic powder, and paprika. Mix until smooth.
7. Combine Ingredients: Pour the sauce mixture over the meat and vegetable mixture. Stir well to combine everything together.
8. Add Cheese: Place half of the shredded cheddar cheese into the mixture and stir to incorporate.
9. Transfer to Baking Dish: Spoon the entire mixture into a greased 9×13-inch baking dish.
10. Top with Cheese: Sprinkle the remaining cheddar cheese evenly on top.
11. Bake: Place the baking dish in the preheated oven and bake for 40-45 minutes, until the cheese is melted and golden brown.
12. Cool and Serve: Remove from the oven and let it cool for about 5-10 minutes. Garnish with chopped parsley if desired before serving.

By following these steps, you’ll be set to create this heartwarming casserole that will impress everyone at the table.