Peruvian Causa

Ingredients

• 8 russets potatoes , peeled
• 0.5 cups vegetable oil , or as needed
• 2 tablespoons minced aji amarillo
• salt and ground black pepper to taste
• 2 , 5 ounce
• 1 small red onion , diced small
• 0.5 cups mayonnaise , divided
• 2 avocados , cut into thin strips
• 3 hard-boiled eggs , thinly sliced

Instructions

1. 1

   Place potatoes into a large pot and cover with salted water; bring to a boil. Reduce heat to medium-low and simmer until tender, about 20 minutes. Drain.

2. 2

   Mash potatoes with a ricer or hand mixer until smooth. Gradually stir in oil until potatoes come together; add aji amarillo, salt, and pepper. Cool potato mixture in the refrigerator, about 20 minutes.

3. 3

   Stir tuna, onion, and 1/4 cup mayonnaise together in a bowl.

4. 4

   Line a casserole dish with plastic wrap. Spread 1/2 the potato mixture on the bottom of the dish. Spread 2 tablespoons mayonnaise over potatoes, spread tuna mixture over mayonnaise, and place avocado slices in a single layer on top of tuna mixture. Spread remaining 1/2 of potato mixture over avocados, and top with remaining 2 tablespoons mayonnaise. Place sliced eggs over top. Cover casserole dish with plastic wrap and refrigerate until firm, about 30 minutes.

5. 5

   Invert casserole dish onto a serving dish or baking sheet to remove potato casserole from dish. Remove plastic wrap and cut casserole into squares.