Seven Seas Casserole

Take your dinner seaside with our cheesy Seven Seas Casserole with Minute® Instant White Rice. With a mixture of cream of celery soup, onion, green peas, tuna and Cheddar cheese, it’s a fast meal that’s full of flavor!

(12 votes, average: 3.83 out of 5)

Seven Seas Casserole

Cooking time PREP TIME 5 mins
Cooking time COOK TIME 20 mins
Servings SERVES 4
Ready in TOTAL TIME 25 mins
Cooking time
PREP TIME 5 mins
Cooking time
COOK TIME 20 mins
Ready in
TOTAL TIME 25 mins


  • 1 can (10.75 oz) condensed cream of celery soup
  • 1 1/3 cups water
  • 1/4 cup finely chopped onion
  • 1/4 tsp salt
  • 1/4 tsp black pepper
  • nonstick cooking spray
  • 1 1/3 cups Minute® White Rice
  • 1 cup frozen green peas
  • 1 can (6 oz) tuna packed in water, drained and flaked
  • 1/2 cup shredded Cheddar cheese


  • Ahoy! In the mood for a simple tuna noodle casserole? Swap the noodles for rice and try our Seven Seas Casserole. With tuna, Cheddar cheese and Minute® Instant White Rice, it’s a delicious entrée for your next meal or gathering!

    Step 1

  • Preheat oven to 400°F.

    Step 2

  • Combine soup, water, onion, salt and pepper in a medium saucepan. Bring to a boil, stirring occasionally.

    Step 3

  • Spray a 1 1/2-quart baking dish with nonstick cooking spray. Pour 1/2 of the soup mixture into the prepared dish.

    Step 4

  • Add rice, peas and tuna to prepared dish and top with remaining soup mixture. Stir to blend well. Sprinkle cheese over top.

    Step 5

  • Cover and bake for 20-25 minutes, or until heated through.


    Recipe Tips

    To change things up, try this dish with different garnishes. For color and a tangy pop of flavor, top this dish with strips of roasted red pimiento, before serving. Or, sprinkle crispy onions and fresh parsley over the top for crunch and an upgraded presentation.


Classic Casserole, Reinvented

One bite of our Seven Seas Casserole, and you’ll never go back to an ordinary tuna noodle casserole again! Aside from the tuna, this casserole is a buttery mixture of cream of celery soup, rice, chopped onion, green peas and Cheddar cheese.

Guaranteed to make anyone a believer in the power of Cheddar cheese and canned tuna, this Seven Seas Casserole is the ideal recipe for those looking to break out of their routine with a tasty rice version of a classic.

Ready in 35 minutes, with help from our Minute® Instant White Rice, this casserole can serve up to 4 family members or friends. Make this in a large, colorful baking dish or, if you’re entertaining, try this recipe in 4 individual ceramic dishes.

Add-On Options

This recipe is incredibly tasty and versatile, too! Easily turn it into something new by replacing the tuna with salmon, baby clams or baby shrimp Or, use a combination of these ingredients for a truly impressive seafood feast! For more flavor and nutrients, wilt spinach in a skillet with some butter and garlic, then scatter the spinach over the baking dish before adding the rice, peas and tuna.

Find more comforting casseroles and filling meals in our recipe section. Next, try one of our favorites — Red Beans and Rice or our Cheesy Chicken and Rice Recipe with Broccoli.

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