
Preheat your oven to 350°F and lightly grease a 9×13 baking dish.
In a large bowl, combine the thawed hash browns, diced onion, half of the cheddar cheese, Greek yogurt. Mix well.
Stir in the melted butter, Better Than Bouillon Vegetarian No Chicken Base, garlic powder, salt, and pepper until everything is fully mixed.
Spread the mixture evenly into the prepared baking dish.
Top with the extra cheese for a golden crust.
Bake for 45 minutes, until bubbly and lightly browned around the edges.
Let it rest for 5–10 minutes before serving.