Aishah (May Allah be pleased with her) reported:
Messenger of Allah (ﷺ) was eating with his six Companions when a desert Arab came and ate up the food in two mouthfuls. Messenger of Allah (ﷺ) said, "Had he mentioned the Name of Allah, it would have sufficed for all of you."
[At-Tirmidhi].
Abu Hurairah (May Allah be pleased with him) reported:
Messenger of Allah (ﷺ) said, "When any of you is invited to a meal, he should accept the invitation. If he is observing Saum (fasting), he should supplicate for the betterment of the host and if he is not fasting, he should eat."
[Muslim].
Jabir (May Allah be pleased with him) reported:
The Prophet (ﷺ) asked for sauce and was told that there was nothing except vinegar. He asked for it and began to eat from it saying, "How excellent is vinegar when eaten as sauce! How excellent is vinegar when eaten as Udm!"
[Muslim].