Tuna Noodle Casserole from Scratch


This tuna noodle casserole is from scratch with no canned soup! Mushrooms, onions, celery, and peas all go into this comfort casserole.

Prep Time:
30 mins
Cook Time:
50 mins
Total Time:
1 hrs 20 mins


  • ½ cup butter, divided

  • 1 (8 ounce) package uncooked medium egg noodles

  • ½ medium onion, finely chopped

  • 1 stalk celery, finely chopped

  • 1 clove garlic, minced

  • 8 ounces button mushrooms, sliced

  • ¼ cup all-purpose flour

  • 2 cups milk

  • salt and pepper to taste

  • 2 (5 ounce) cans tuna, drained and flaked

  • 1 cup frozen peas, thawed

  • 3 tablespoons bread crumbs

  • 1 cup shredded Cheddar cheese


  1. Preheat the oven to 375 degrees F (190 degrees C). Butter a medium baking dish with 1 tablespoon butter.

  2. Fill a large pot with lightly salted water and bring to a rapid boil. Cook egg noodles at a boil until tender yet firm to the bite, 7 to 9 minutes. Drain and set aside.

  3. Melt 1 tablespoon butter in a skillet over medium-low heat. Stir in onion, celery, and garlic; cook and stir until tender, about 5 minutes. Increase heat to medium-high and mix in mushrooms. Continue to cook and stir until most of the liquid has evaporated, about 5 more minutes. Remove from heat and set aside.

  4. Melt 4 tablespoons butter in a medium saucepan; whisk in flour until smooth. Gradually whisk in milk and cook until sauce is smooth and slightly thickened, about 5 minutes. Season with salt and pepper. Stir in tuna, peas, mushroom mixture, and cooked noodles. Transfer to the prepared baking dish.

  5. Place remaining 2 tablespoons butter in a microwave-safe bowl; cook in the microwave until melted, about 10 seconds. Mix in bread crumbs until combined and sprinkle over casserole. Top with Cheddar cheese.

  6. Bake in the preheated oven until bubbly and lightly browned, about 25 minutes.

Nutrition Facts (per serving)

546 Calories
31g Fat
40g Carbs
27g Protein
Nutrition Facts
Servings Per Recipe 6
Calories 546
% Daily Value *
Total Fat 31g 40%
Saturated Fat 19g 93%
Cholesterol 121mg 40%
Sodium 786mg 34%
Total Carbohydrate 40g 15%
Dietary Fiber 3g 11%
Total Sugars 7g
Protein 27g
Vitamin C 7mg 33%
Calcium 302mg 23%
Iron 3mg 18%
Potassium 486mg 10%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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