Creamy Tuna Rice Casserole🍖 Main
This simple one-dish meal blends fluffy grains with canned fish, sweet green vegetables, and sharp cheese, all nestled in a velvety white sauce. Golden breadcrumb topping finishes it with a satisfying crunch.
By Priya Patel, Recipe Curator
Shared by the Home Cook Assistant community ยท Reviewed for clarity
There's something deeply comforting about a casserole that transforms pantry staples into a dish your family will request again and again. This creamy tuna rice version delivers that cozy satisfaction without demanding hours in the kitchen. The magic happens when jarred Alfredo sauce meets chicken broth and instant rice, creating a creamy base that cooks entirely in the oven. Flecks of sharp cheddar melt into every bite, while sweet peas add pops of color and a slight vegetal sweetness that balances the richness. It's the kind of meal that feels like a hug on a busy weeknight, yet impressive enough to serve when unexpected guests arrive.
The secret to perfectly cooked rice in this casserole lies in that initial 30-minute covered bake. By sealing the dish tightly with foil, you trap steam that both cooks the rice and keeps the casserole from drying out. The instant rice absorbs the flavored liquid gradually, taking on the garlic, onion, and celery salt as it softens. When you stir the casserole after those first 30 minutes, you'll notice the grains have plumped beautifully and the sauce has thickened. This stirring step is crucial because it redistributes any liquid that has pooled and ensures even cooking throughout. The tuna, folded in gently rather than stirred vigorously, stays in tender chunks rather than shredding into invisible bits. That final uncovered bake allows the Panko topping to toast while excess moisture evaporates, creating textural contrast between the crunchy golden cap and the silky interior.
Feel free to swap the peas for thawed frozen green beans if you prefer a firmer vegetable with more bite. For a smokier depth, add half a teaspoon of smoked paprika to the casserole base. Leftovers reheat beautifully in the microwave, though the topping will soften, so consider refreshing portions under the broiler for a minute if you want that crunch back. Serve this alongside a crisp green salad dressed with lemon vinaigrette to cut through the richness, or pair it with roasted broccoli for an all-in-one meal that requires minimal cleanup.
Ingredients
For the Casserole
- 1 14 1/2 oz jar prepared Alfredo sauce
- 1 1/2 cups instant rice, white, uncooked
- 1 1/2 cups reduced sodium chicken broth
- 1 cup frozen peas or green beans, thawed
- 1 cup shredded sharp cheddar cheese
- 1 tsp onion powder
- 1/2 tsp garlic powder
- 1/2 tsp black pepper
- 1/4 tsp celery salt
- 2 5 oz cans tuna, drained
For the Topping
- 3/4 cup Panko bread crumbs
- 3/4 cup shredded sharp cheddar cheese
- 2 tbsp melted butter
Nutrition (Per 4 servings)*
* AI-estimated values only โ not a substitute for professional nutrition labeling.
Instructions
- Preheat the oven to 350ยฐF, and grease a 2-quart baking dish.
Prepare the Casserole
- In the casserole dish, combine Alfredo sauce, rice, broth, peas, cheese, onion powder, garlic powder, pepper, and celery salt. Stir until well mixed.
- Gently fold in the drained tuna. Cover tightly with foil or a lid and bake covered for 30 minutes.
Add the Topping
- Combine the topping ingredients in a small bowl. Stir the casserole, then sprinkle the breadcrumb mixture evenly over the top.
- Bake uncovered for an additional 15 to 20 minutes or until hot and bubbly, and the rice is tender. Broil for 1 to 2 minutes for a crisper, more golden top if desired.
- Rest 5 minutes before serving.
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