Oven Baked 3 Ingredient Chili Mac Casserole
A Warm, Cheesy Comfort Food Classic
This 3-ingredient chili mac casserole is the ultimate easy weeknight dinner recipe and a true comfort food favorite. Made with simple pantry staples like pasta, beef chili, and cheddar cheese, it delivers rich, hearty flavor with almost no effort.
Perfect for:
- Busy weeknights
- Sick day meals
- Budget-friendly family dinners
- Neighbor meal delivery or potlucks
This easy baked casserole recipe is cozy, filling, and tastes like something that took hours—when it only takes minutes.
Why You’ll Love This Chili Mac Casserole
- Only 3 simple ingredients
- Budget-friendly and filling
- Kid-friendly and family-approved
- Perfect make-ahead freezer meal
- Ultimate cheesy comfort food casserole
- Great for meal prep or potlucks
Ingredients (Simple Pantry Staples)
- 12 oz elbow macaroni
- 4 cups hearty beef chili (canned or homemade)
- 3 cups shredded sharp cheddar cheese (divided)
How to Make 3-Ingredient Chili Mac Casserole
- Preheat oven to 375°F (190°C). Prepare a 9×13-inch baking dish or foil pan.
- Cook pasta until just al dente, 1–2 minutes less than package instructions. Drain well.
- In a large pot, combine hot macaroni, beef chili, and 2 cups cheddar cheese. Stir until creamy and evenly coated.
- Transfer mixture into the baking pan and spread evenly.
- Top with remaining 1 cup cheddar cheese for a rich, melty crust.
- Cover loosely with foil and bake for 20 minutes.
- Remove foil and bake another 10–15 minutes until bubbly and golden.
- Rest 10 minutes before serving for the perfect thick texture.
Pro Tips & Easy Variations
- Add spice with hot chili or crushed red pepper
- Swap cheddar with pepper jack for extra heat
- Use leftover homemade chili for deeper flavor
- Add a splash of pasta water for a creamier texture
- Freeze in portions for an easy make-ahead freezer meal
Serving Ideas
Serve this baked chili mac casserole with:
- Fresh green salad
- Cornbread or dinner rolls
- Sliced cucumbers & tomatoes
- Sour cream or jalapeños for topping
Final Thoughts
This easy 3-ingredient chili mac bake proves that simple recipes can still feel special. It’s warm, cheesy, budget-friendly, and perfect for sharing—whether you’re feeding your family or bringing comfort to someone who needs it most.
