In a deep-fat fryer or bigger heavy-bottomed skillet, heat oil to 375°F.

Beat eggs in a big bowl. Blend in the milk, water, and vanilla after adding them. Whisk until smooth after adding the flour, sugar, baking soda, and salt.

Carefully pour 12 cup batter into a funnel, covering the spout's bottom with your finger. As you let go of your finger while holding the funnel a few inches above the oil, it will spiral outward until all of the batter has been expelled. If required, scrape with a rubber spatula.

Fry for three to five minutes on each side, or until golden brown, flipping once with tongs. On paper towels, drain. Serve warm and dusted with powdered sugar.

To use the remaining batter, repeat steps 3 and 4.