As Esperanto speakers are from all over the world, and families whose children speak Esperanto natively usually have parents from two vastly different countries, recipes incorporating elements from different countries are naturally born. Traditional foods are also enjoyed in settings where a native wouldn't normally mix or eat them.
One cookbook is
Internacie kuiri “Cooking Internationally” by Maria Becker-Meisberger, published by FEL (Flemish Esperanto League), Antwerp 1989,
ISBN 90-71205-34-7. Another is
Manĝoj el sanigaj plantoj “Meals from Healthy Vegetable Dishes” by Zlata Nanić, published by BIO-ZRNO, Zagreb 2002,
ISBN 953-97664-5-1.
Some Esperanto periodicals, such as
MONATO include recipes from time to time.