In a bowl, cream together the butter and sour cream.

Add flour, baking powder, and 0.5 teaspoon of salt. Knead to form a dough.

Set aside the soft dough until ready to fill.

Drain the tuna thoroughly, then add chopped greens, and season with salt and pepper. Mix well.

Roll out the crust in a buttered baking dish.

Add the fish mixture, spreading it evenly.

In a bowl, blend the sour cream, eggs, and 2 tablespoons of flour.

Pour the mixture over the filling, smoothing the top with a spoon.

Bake at 200°C for about 35 minutes until golden and cooked through.

Once cooled, garnish with additional greens.

Enjoy serving this delicious quiche :)

Bon appétit!