In Mishnah Brurah (300:1) it says that if possible one should wash, however if someone is still full from the shaboss meal and its hard to eat a meal again then one can be yotzah with cake or fruits.
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In Mishnah Brurah (300:1) it says that if possible one should wash, however if someone is still full from the shaboss meal and its hard to eat a meal again then one can be yotzah with cake or fruits.