There are several synonyms for the phrase "serve food". One of the most common is "provide food", which conveys the idea that someone is actively making sure that others have enough to eat. "Present food" is another possible synonym, which emphasizes the act of displaying dishes in an appealing way. "Offer food" can also be used to describe the act of providing food to others, especially in a more casual or informal setting. Other possible synonyms for "serve food" might include phrases like "dish out food", "set out food", or "lay out a spread". Ultimately, the choice of synonym will depend on the context and tone of the situation.