
A classic sheet cake that becomes particularly airy and moist through the addition of carbonated water. The fine carbon dioxide bubbles provide a light texture, while the lemon glaze with colorful sprinkles makes the cake the perfect companion for children's birthdays or coffee gatherings.
Our Basic Ingredients
- Wheat flour: Base of the dough
- Eggs: For binding and lightness
- Sunflower oil: Makes the dough smooth
- Carbonated water: For the characteristic lightness
- Lemon glaze: With powdered sugar for a refreshing note
- Colorful sprinkles: For visual appeal

The Perfect Dough
- Preparation:
- Beat eggs with sugar and oil until foamy
- Carefully fold in flour-baking powder mixture
- Briefly stir in carbonated water
- Distribute dough evenly in the baking sheet
Storage
- Store in airtight container at room temperature
- Glaze protects against drying out
- Freeze in portions (after glaze has dried)

Creative Variations
- Chocolate glaze instead of lemon glaze
- Buttercream decoration for festive occasions
- Chopped nuts or raisins in the dough
This seltzer cake is a timeless classic of German baking. Its simple preparation and reliably good taste make it the perfect companion for any occasion.
Frequently Asked Questions
- → What does the sparkling water do in the cake?
- The carbonation makes the batter especially light and airy. The cake becomes fluffier as a result.
- → Can I use still water instead?
- No, the carbonation is important for the texture. Only use sparkling water with carbonation.
- → How long does the cake keep?
- In an airtight container at room temperature for 3-4 days. The glaze helps prevent it from drying out.
- → Can I bake the cake without the glaze?
- Yes, but the lemon glaze adds extra flavor and prevents the cake from drying out.
- → Is the baking time shorter with convection heat?
- At 160°C convection, the baking time remains the same. Use a toothpick test to check doneness.