Confirming the recipe components:

1x Cereals
1x Fruits
1x Leavening Agent
1x Sugar

(I was Apprentice 10 in Cooking at that moment.)

Interstingly doesn't work for me with apple but work with strawberry.

Using figs for fruit sont work

The products are correct but this recipe only produces ONE(with a chance for more, the higher your skill is) vinegar not two as it is stated.

I am Artisan 6, I get 1,3 or sometimes 4