Converting baking recipes: how it works for tray bakes

Would you like to bake a fresh, summery tray bake, but the dimensions of your baking tray don't match the size specified in the recipe? With these tricks, you can easily calculate recipes for any baking tray size.

Backrezepte für Blechkuchen lassen sich ganz einfach für andere Größen umrechnen.© picture alliance
Baking recipes for sheet cakes can be easily converted to other sizes.

Converting tray bake recipes: here's how!

The conversion table shows you how to easily adjust the list of ingredients to your baking tray size. For example, if the recipe states a baking tray size of 26x38 cm, but your tray is 32x36 cm, you will find the number in the table where the two sizes meet. The number 1.2 is now your conversion factor by which you multiply all the ingredients.

Conversion table

cm 26*34 26*38 32*36 34*38
..........................................................................
26*34 I - 0,9 0,8 0,7
26*38 I 1,1 - 0,9 0,8
32*36 I 1,3 1,2 - 0,9
34*38 I 1,5 1,3 1,1 -

Great recipes for sheet cakes:
Classic cherry cake from the tray
Sheet cake recipe: Butter crumble with chopped almonds
Apple sheet cake with eggnog cream
Grandma's cheesecake from the tin
Sheet cake with fresh strawberries
Raspberry cookie sheet cake
Tangerine cheesecake from the tin
Sheet cake with vanilla cream and peaches
Filled sheet cake with apple & icing