Polish Tuna Pie

Directions

1. 1
   Preheat your oven to 37
2. 2
   In a medium bowl, combine the tuna, mayo, and sour cream.
3. 3
   Spread onto a 9" pie dish. Top with the sliced onion.
4. 4
   Dice the potatoes and add to a large pot and cover with water. Boil until fork tender, about 7-10 minutes.
5. 5
   Drain and return to pot along with half and half and butter. Mash until smooth. Season with salt and pepper.
6. 6
   Add the potatoes on top of the tuna mixture in the pie dish. Top with cheese.
7. 7
   Bake for 15 minutes.