This oven baked 3-ingredients chili mac casserole is exactly the kind of thing neighbors bring when the porch light is off and the house is too quiet. Around here in the rural Midwest, we’ve always believed a warm pan of something cheesy can do as much good as any medicine.
This little casserole is pure comfort food and almost embarrassingly simple: just elbow macaroni, a good hearty beef chili, and a blanket of sharp cheddar. It bakes up bubbly and golden in a disposable foil pan, easy to tote across the road to a sick friend or tuck into the oven on a day when you don’t have the energy for much fuss. It tastes like somebody cares about you, and you wouldn’t guess it came from only three ingredients.
Serve this chili mac casserole piping hot right out of the foil pan, with a simple green salad or some sliced cucumbers and tomatoes if you have them. Warm dinner rolls, cornbread, or even just buttered toast are perfect for soaking up the extra sauce around the edges. A spoonful of sour cream or a few pickled jalapeño slices on top are nice if they’re handy, but it’s plenty satisfying on its own. For a sick day or a cold evening, a mug of hot tea or cocoa alongside makes it feel even more like a hug in a pan.
Oven Baked 3-Ingredients Chili Mac Casserole
Servings: 6

If you like a little kick, choose a spicy beef chili or stir in a pinch of crushed red pepper with the chili and pasta before baking. Any sturdy canned or homemade beef chili will work, with or without beans; just be sure it’s thick and hearty so the casserole doesn’t turn soupy. You can swap part of the sharp cheddar for pepper jack or Colby if that’s what you keep on hand, but try to keep most of it sharp cheddar for that classic, comforting flavor.
For a slightly creamier texture, reserve a small splash of the pasta cooking water and stir it in with the chili and cheese; it helps the sauce cling to the noodles. If you’re cooking for a smaller household, divide the mixture between two smaller foil pans, bake one now, and cool and freeze the other (tightly wrapped) for a future busy or under-the-weather day; reheat from thawed, covered, until hot and bubbly.
To keep the spirit of a simple three-ingredient neighborly dish, resist the urge to add too many extras—this recipe shines because it’s straightforward, filling, and easy enough for anyone to put together when someone they love needs a warm meal.