01 -
Preheat oven to 175°C (350°F).
02 -
In a large skillet over medium-high heat, cook ground beef and diced onion until beef is thoroughly browned with no pink remaining. Drain excess fat. Stir in onion powder, garlic powder, and black pepper.
03 -
In a 33 x 23 cm baking dish, mix together thawed hash browns, cooked beef and onion, cream of mushroom soup, French onion dip, and 200 g of grated Colby cheese until well combined.
04 -
Sprinkle remaining 100 g of grated Colby cheese evenly over the surface.
05 -
Bake in the preheated oven for 45–50 minutes until the top is golden brown and cheese is melted.
06 -
Allow casserole to cool slightly before serving.