Tuna and Mashed Potato Casserole Recipe

This Tuna and Mashed Potato Casserole is a simple yet delicious dish, perfect for a comforting family meal. With layers of creamy mashed potatoes, flavorful tuna, and melted cheese, this casserole is sure to be a hit!

Preparation Time:
Prep Time: 20 minutes
Cook Time: 20-25 minutes
Total Time: 45 minutes
Ingredients:
1/2 onion, sliced
Olive oil, for cooking
5 potatoes, peeled and chopped
Salt, to taste
2 tablespoons tomato paste or 4 tablespoons tomato sauce
2 cans canned tuna, drained
1/2 cup potato cooking water (if using tomato paste)
1 tablespoon butter
Black pepper, to taste
175 ml milk
100 grams cheese, grated (cheddar, mozzarella, or your choice)
Directions:

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