Spring Sunset Casserole: Just 5 ingredients. I love making this when I need a hot, filling supper that practically cooks itself.

This Spring Sunset Casserole is my kind of weeknight supper: just five ingredients, a hot, filling dish, and the oven does most of the work. It gets its name from the pretty sunset colors—golden potatoes, orange carrots, and that deep, caramelized, glossy top that bubbles around the edges as it finishes baking. It’s a simple Midwestern-style bake, the kind of thing you pull together when everyone’s hungry, you don’t want a lot of dishes, and you still want it to feel like a cozy, home-cooked meal.

I like to serve this casserole with something fresh and crunchy to balance the rich, creamy, cheesy layers—think a simple green salad with a tangy vinaigrette or some sliced cucumbers and cherry tomatoes. Warm dinner rolls or buttered toast are great for soaking up the saucy, caramelized bits from the pan. If you want to add more protein to the table, grilled or roasted chicken, sausage, or even a fried egg on top of each serving works nicely. A little hot sauce or a spoonful of sour cream on the side can make it extra fun for older kids and adults.

Servings: 6

2 lb russet or Yukon gold potatoes, thinly sliced

Preheat your oven to 400°F (200°C). Lightly grease a 9x13-inch baking dish or a metal sheet pan with a little olive oil or butter so the potatoes don’t stick and the edges can caramelize.

In a large bowl, combine the condensed cream of mushroom soup with 1/2 cup of water and 1 tablespoon of the olive oil or melted butter. Stir until smooth and creamy. This will be your simple sauce that keeps everything moist and helps create that glossy, bubbling surface.

Thinly slice the potatoes and carrots into even slices, about 1/8-inch thick. The more even the slices, the more evenly the casserole cooks. If you’re short on time, you can use a mandoline or the slicing side of a box grater, but be careful with your fingers.

Add the sliced potatoes and carrots to the bowl with the soup mixture. Sprinkle in 1 cup of the shredded cheddar cheese, reserving the remaining 1/2 cup for the top. Toss everything together gently with clean hands or a big spoon until the vegetables are well coated and the cheese is evenly distributed.

Spread the mixture into the prepared baking dish, pressing it down lightly so it fills the corners and makes a fairly even layer. Drizzle the remaining 1 tablespoon olive oil or melted butter over the top. This little bit of fat helps the surface get that deep golden, glossy, caramelized look as it bakes.

Cover the dish tightly with foil and bake on the middle rack for 35 to 40 minutes, until the potatoes and carrots are starting to soften and you can see some bubbling around the edges. Covering keeps in the steam so the vegetables cook through without drying out.

Carefully remove the foil (watch out for hot steam), sprinkle the remaining 1/2 cup shredded cheddar evenly over the top, and return the dish to the oven uncovered. Bake for another 20 to 25 minutes, or until the top is deeply golden, glossy, and the edges are bubbling and slightly caramelized. If you like an extra-caramelized top, you can move the pan to the upper rack for the last 5 minutes.

Check doneness by piercing the center of the casserole with a fork or thin knife; it should slide through the potatoes and carrots easily with no firm crunch. If it still feels firm, bake for another 5 to 10 minutes, checking every few minutes.

Once done, remove the casserole from the oven and let it rest for at least 10 minutes before serving. This short rest helps the layers settle so it slices more neatly and gives the sauce time to thicken into that rich, glossy coating. Serve warm, scooping up some of the caramelized edges with each portion.

For picky eaters, you can swap the cream of mushroom soup for cream of chicken or cream of celery if they’re not fans of mushrooms. If your crew loves extra cheese, add another 1/2 cup of cheddar or a mix of mozzarella and cheddar on top for an even gooier, stretchier finish. To sneak in more veggies, stir in a cup of frozen peas or corn with the potatoes and carrots (no need to thaw first). For a little smoky flavor, sprinkle the top with smoked paprika before baking uncovered. If you want to turn this into a full one-pan meal, add 1 to 2 cups of cooked, diced chicken or ham into the mixture before baking—just keep in mind that adding meat makes the dish richer and a bit heavier. You can also use sweet potatoes in place of some or all of the regular potatoes for a sweeter, more sunset-colored casserole; just keep the slices thin so everything cooks through at the same time. For a crisper, more caramelized surface, use a metal sheet pan instead of a deep dish and spread the mixture in a thinner layer, checking a little earlier for doneness. Food safety tips: If you add any cooked meat, make sure it was previously cooked to a safe internal temperature (165°F/74°C for chicken) and cooled properly before using. Always refrigerate leftovers within 2 hours of baking, store them in a covered container, and reheat until steaming hot all the way through before serving again. If you use a mandoline slicer, use the hand guard or a cut-resistant glove to protect your fingers.