Hadith 1465
من سره أن لا يجد الشيطان عنده طعاما ولا مقيلا فليسلم اذا دخل بيته وليسم على طعامه
"Just as one would like that Satan is not present with him at the time of eating and taking a nap, he should say Salam when entering the house and recite Bismillah when eating."
