1. Prepare the Vegetables 🥦
Preheat oven to 375°F (190°C).
Boil diced potatoes in salted water for 8–10 minutes until slightly tender. Drain and set aside.
Steam or blanch broccoli and carrots for 3–4 minutes.
2. Make the Creamy Sauce 🥣
In a bowl, combine sour cream, milk, melted butter, garlic powder, paprika, salt, and pepper. Stir until smooth.
3. Assemble the Casserole 🍲
In a greased 9×13-inch baking dish, layer potatoes, broccoli, carrots, bell peppers, and onion.
Pour the creamy sauce evenly over the vegetables.
Sprinkle shredded cheddar and Parmesan cheese on top.
4. Bake 🔥
Cover the dish with foil and bake for 25 minutes.
Remove foil and bake another 10–15 minutes, until cheese is melted and bubbly.
Let it cool for 5 minutes before serving.
Serving and Storage Tips
