Whisk the eggs and then add cheese, sour cream, salt, and oil mix all to get a compact mixture, at the end add the sparkling water and mix all ingredients together.
Spray with oil the baking pan, and place two crusts on the bothom, follow the pictures.
Then, take one crust and soak In the mixture, and place in the baking pan . Better are thinner crust because the crust should soak the mixture. Repeat the same procedure until you have the crust.
With the rest of the mixture cover the whole pie.
Bake in a preheated oven for about 35- 40 minutes at 200 degrees (392 °F)