Ingredients
Method
- Preheat oven to 400°F (200°C).
- Boil potatoes in salted water for 15 minutes; add cauliflower for the last 10 minutes. Drain.
- Transfer to an 8×11-inch baking dish. Drizzle with olive oil and season with thyme, garlic powder, salt, and pepper. Pour milk over and toss to coat.
- Top with shredded cheddar and bake 15–20 minutes, until golden and bubbly.
Notes
This casserole can be made ahead and reheated, or frozen for a quick meal later.
