Prepare the Cake
Preheat oven to 350 degrees Fahrenheit. Line a 13- by 18-inch pan with Gefen Parchment Paper.
Whisk flour, 3/4 cup sugar and salt in a bowl and set aside.
In a separate bowl, beat the egg yolks with 1/4 cup sugar on medium speed until thick and creamy. Gradually add water, oil and vanilla and mix well. Add flour mixture and beat until well combined.
Add egg whites to another mixing bowl and beat until stiff. Add 1/2 cup sugar and then lemon zest.
Use a spatula to fold the yolk mixture into the whites, one cup at a time, until fully incorporated.
Pour batter into prepared pan and smooth the top. Bake for one hour until browned.
Allow cake to cool, then use a sharp knife to cut it in half, horizontally, so you have two 13- by 18-inch sheets of cake.









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Can this be frozen?
Yes, you can try freezing this cake! We recommend wrapping it well and storing it in the freezer for up to 1–2 months. When ready to serve, thaw it overnight in the refrigerator. Just keep in mind that the chocolate crunch layer may lose some of its crispness after thawing. I would preferably ice it after defrosting. Since we haven't tested freezing this particular recipe, the texture may vary slightly. Enjoy!