There’s something about a warm, cheesy casserole pulled straight from the oven that just feels like home. This creamy cheesy rice casserole is the ultimate comfort food side dish — rich, gooey, and packed with flavor, but built from simple pantry staples you probably already have on hand. It comes together in one bowl, bakes up bubbly and golden, and disappears fast at the dinner table.
Why You’ll Love This Cheesy Rice Casserole
- Ridiculously easy. No fancy techniques here — just mix, pour, and bake.
- Great for leftovers. It’s the perfect way to use up leftover cooked rice instead of letting it go to waste.
- Ultra creamy texture. The combination of sour cream, milk, and cream of chicken soup keeps every bite rich and velvety.
- Crowd-pleasing side dish. Whether it’s a weeknight dinner or a potluck, this casserole disappears fast.
Ingredients You’ll Need
- 2 cups cooked rice
- 1½ cups shredded cheddar cheese
- 1 cup milk
- ½ cup sour cream
- ½ cup cream of chicken soup
- ½ cup onion, diced
- 2 tablespoons butter
- ½ teaspoon garlic powder
- ½ teaspoon salt
- ¼ teaspoon black pepper
- 1 tablespoon parsley, chopped (for garnish)
Ingredient Notes
- Rice: Day-old rice works beautifully here and actually holds its texture better than freshly cooked rice, which can turn mushy in the oven.
- Cheese: Shred your own cheddar off the block if you can — it melts smoother than pre-shredded, bagged cheese.
- Cream of chicken soup: For a vegetarian version, swap in cream of mushroom or cream of celery soup instead.
How to Make Creamy Cheesy Rice Casserole
1. Preheat the oven. Set your oven to 375°F (190°C) so it’s ready to go once the casserole is assembled.
2. Sauté the onion. Melt the butter in a skillet over medium heat and sauté the diced onion until soft and translucent, about 3-4 minutes.
3. Mix the base. In a large bowl, combine the cooked rice, milk, sour cream, cream of chicken soup, sautéed onion, garlic powder, salt, and black pepper. Stir until everything is evenly combined.
4. Add the cheese. Stir in the shredded cheddar cheese, mixing until it’s evenly distributed throughout the rice mixture.
5. Transfer to a baking dish. Pour the mixture into a greased baking dish and spread it out into an even layer.
6. Bake. Bake for 25 to 30 minutes, until the casserole is hot, bubbly, and lightly golden on top.
7. Garnish and serve. Sprinkle with chopped parsley before serving for a pop of color and freshness.
Tips for the Best Rice Casserole
- Don’t skip the sauté step. Cooking the onion first mellows its sharpness and brings out natural sweetness.
- Let it rest. Give the casserole 5 minutes to sit after baking so it firms up slightly and is easier to serve.
- Add crunch on top. For extra texture, sprinkle crushed crackers or panko breadcrumbs mixed with a little melted butter over the top before baking.
- Boost the protein. Stir in shredded rotisserie chicken or cooked ground beef to turn this side dish into a full meal.
Serving Suggestions
This creamy cheesy rice casserole pairs well with:
- Roasted or grilled chicken
- Baked ham or pork chops
- A simple green salad or steamed vegetables
- Dinner rolls to soak up every last bit of the creamy sauce
Storage and Reheating
Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat individual portions in the microwave, or warm the whole dish covered in a 350°F oven until heated through. This casserole also freezes well for up to 2 months — just thaw overnight in the fridge before reheating.
Frequently Asked Questions
Can I make this casserole ahead of time? Yes. Assemble it up to a day in advance, cover, and refrigerate. Add a few extra minutes to the bake time if going straight from the fridge to the oven.
Can I use a different type of cheese? Absolutely. Monterey Jack, colby jack, or a cheddar-mozzarella blend all work well in place of straight cheddar.
What if I don’t have cream of chicken soup? Cream of mushroom or cream of celery soup are easy substitutes, and both keep the casserole vegetarian-friendly.
Can I use brown rice instead of white rice? Yes, just make sure it’s fully cooked and slightly cooled before mixing it into the casserole.
Total Time: 40 minutes Servings: 6
If you try this creamy cheesy rice casserole, let us know how it turned out in the comments — and save this recipe for your next easy, comforting side dish!
Creamy Cheesy Rice Casserole That Melts in Your Mouth
Ingredients
- 2 cups cooked rice
- 1 ½ cups shredded cheddar cheese
- 1 cup milk
- ½ cup sour cream
- ½ cup cream of chicken soup
- ½ cup onion diced
- 2 tablespoons butter
- ½ teaspoon garlic powder
- ½ teaspoon salt
- ¼ teaspoon black pepper
- 1 tablespoon parsley chopped (for garnish)
Instructions
- Preheat oven to 375°F (190°C).
- Melt butter in a skillet over medium heat and sauté onion until soft.
- In a large bowl, mix rice, milk, sour cream, cream of chicken soup, sautéed onion, garlic powder, salt, and black pepper.
- Stir in the shredded cheddar cheese until evenly combined.
- Transfer the mixture to a greased baking dish and spread into an even layer.
- Bake for 25 to 30 minutes, until hot and bubbly.
- Garnish with chopped parsley and serve.
Notes
Shred cheese from the block for smoother melting.
Swap in cream of mushroom or celery soup for a vegetarian version.
Store leftovers in the fridge up to 4 days, or freeze up to 2 months.