Microwave Tuna Casserole Recipe
Microwave Tuna Casserole Recipe photo by Taste of Home

Microwave Tuna Casserole Recipe

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My family digs into this moist, flavorful tuna casserole. Crisp celery along with zucchini and tomato give it a fresh twist. When I get home from work and we have to be somewhere else in 90 minutes, this is the recipe I rely on.
TOTAL TIME: Prep/Total Time: 20 min.
MAKES:6 servings
Quick Contest Winning Test Kitchen Approved
TOTAL TIME: Prep/Total Time: 20 min.
MAKES: 6 servings


  • 1/2 cup sour cream
  • 1/2 cup mayonnaise
  • 2 teaspoons prepared mustard
  • 1/2 teaspoon salt
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon dill weed
  • 5 cups cooked egg noodles
  • 2 cans (6 ounces each) tuna, drained and flaked
  • 1/2 cup chopped celery
  • 1/3 cup sliced green onions
  • 1 small zucchini, sliced
  • 1 cup (4 ounces) shredded cheddar cheese
  • 1 medium tomato, chopped

Nutritional Facts

1 serving (1 cup) equals 407 calories, 25 g fat (9 g saturated fat), 79 mg cholesterol, 554 mg sodium, 27 g carbohydrate, 2 g fiber, 17 g protein.


  1. In a small bowl, combine the first six ingredients; mix well. In a large bowl, combine noodles, tuna, celery and onions. Stir in the sour cream mixture. Spoon half into a greased 2-qt. microwave-safe dish; top with half of the zucchini. Repeat layers.
  2. Microwave, uncovered, on high for 4-6 minutes or until heated through. Sprinkle with cheese and tomato. Microwave, uncovered, 1 minute longer. Let stand for 3 minutes before serving. Yield: 6 servings.
Editor's Note: This recipe was tested in a 1,100-watt microwave.
Originally published as Microwave Tuna Casserole in Taste of Home June/July 1999, p25

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Reviewed Jul. 19, 2013

"wonderful recipe. I have used greek yogurt in place of mayo and fresh dill and basil for spices. Kids love it and it is one of our fav recipes"

Reviewed Apr. 4, 2011

"I have been making this recipe since I first found it a few years ago. It's easy to make and very tasty! Love the addition of the zuchini in the dish. I it most of the time as written. I have sometimes added more cheese, but that's a personal preferance of my family. THANKS for sharing the recipe...it is excellent!"

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