Tuna Potato Casserole

By
Diana Rattray
Diana Rattray
Diana Rattray
Southern-cuisine expert and cookbook author Diana Rattray has created more than 5,000 recipes and articles in her 20 years as a food writer.
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Updated on 07/17/19
Full Frame Shot Of Potatoes
Gen Sadakane/EyeEm/Getty Images
Prep: 15 mins
Cook: 60 mins
Total: 75 mins
Servings: 4 to 6 servings

Easy tuna scallop with potatoes and other ingredients with onion and a creamy white sauce.

Ingredients

  • 5 medium potatoes, cooked and sliced
  • 3 tablespoons butter
  • 1/4 cup flour
  • 1 teaspoon salt
  • 1/8 teaspoon pepper
  • 1 1/2 tablespoons prepared mustard
  • 2 cups milk
  • 1 can (7 ounces) tuna, drained
  • 1 cup chopped onion

Steps to Make It

  1. Melt butter in a saucepan; blend in flour and seasonings. Gradually add milk. Cook over low heat, stirring until thick.

  2. Arrange potatoes, tuna, and chopped onion in a greased 1 1/2-quart casserole; add sauce. Bake at 350 F for 50 to 60 minutes.

Nutrition Facts (per serving)
281 Calories
12g Fat
28g Carbs
15g Protein
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Nutrition Facts
Servings: 4 to 6
Amount per serving
Calories 281
% Daily Value*
Total Fat 12g 16%
Saturated Fat 6g 30%
Cholesterol 38mg 13%
Sodium 392mg 17%
Total Carbohydrate 28g 10%
Dietary Fiber 3g 11%
Protein 15g
Calcium 145mg 11%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)