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Tuna potato casserole: a high protein potato casserole recipe

Total time: 55 Min
Difficulty: Low
Serves: 6 people
By Cookist
2 large, peeled and sliced
1 tablespoon
1 small, peeled and chopped
Cloves Garlic
4, peeled and minced
2 tablespoons
canned or fresh tuna
1 cup, shredded
Chicken broth
1 cup
low-fat milk
1 cup
2 teaspoons, divided
Black pepper powder
½ teaspoon
Dried oregano
1 teaspoon
sharp cheddar cheese
½ cup , grated
low-fat mayonnaise
½ cup
Hot sauce
½ teaspoon
Mustard sauce
1 teaspoon

This version of potato casserole or scalloped potatoes is very warm and decadent. Adding tuna to this preparation makes it a wholesome dish that can be served as such or with slices of bread to fill you well.

It will be wiser if you serve this dish with some fresh garden salad or steamed veggies to balance out the meal without making it too heavy!


Boil the potatoes in enough salted water, using a teaspoon of salt, for about 6 to 8 minutes or until the vegetable is crisp-tender. Drain the potatoes and keep aside. Heat the butter in a pan until it melts. Add the onion and garlic in it and cook the vegetables until the onion is tender.

Add the flour to the pan and stir it for a minute. Pour the broth and milk to the pan gradually and keep on stirring the ingredients so that no lumps are present in the sauce. Add the tuna, remaining salt, black pepper, oregano, and mix everything well until the mixture is well blended.

Cook everything for about 5 to 7 minutes or until the mixture thickens. Remove the pan from heat and keep it aside. Preheat the oven to 200 degrees C. Layer half of the sliced potatoes in a baking dish, spread half of the tuna sauce over it, then the remaining potatoes, followed by the final layer of cheddar on top.

Bake the casserole for about 25 minutes or until the cheese melts and turns brown in color. Meanwhile, mix the mayonnaise, hot sauce, and mustard in a small bowl. Take out the baking dish from the oven after 25 minutes of baking time and then spread this mayonnaise mixture on top of the cheese layer.

Bake it again for another 5 to 10 minutes or until the top layer has a lovely brown crust on top. Serve hot and enjoy!


You can adjust the amount of gravy in this preparation depending upon your liking to have a gravier or slightly non-runny casserole.

Nutritional information (per serving): 192 Calories, 5.1g Total fat (2g Saturated fat, 1.7g Polyunsaturated fat, 1.3g Monounsaturated fat), 17.9mg Cholesterol, 1179.9mg Sodium, 723.2mg Potassium, 26.1g Total carbohydrates (3.3g Dietary fiber, 4.2g Sugars), 11.5g Protein

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