Almost all kibbutzim have been privatized and do not have a communal dining room any more. A few have activities for tourists. For example:
http://www.courtyard.co.il/english/
Winery with restaurant: "Tishbi" in Zikhron Yaacov:
https://www.tishbi.com/en/on-the-far...on-restaurant/
"Dr. Shakshuka" in the Jaffa Flea Market ( authentic North African food) is always popular with tourists:
https://beteavone.com/restaurant/dr-shakshuka/
For authentic Palestinian food, try "HaBayit" in Ein Hud (above Ein Hod, near Haifa):
Habait Be'Ein Hud