If the Buddha and Bodhisattva are supported by diet, there are generally the following matters:

Providing clear water is quiet, and offering Buddha with meditation.

Provide tea, because tea is a drink, that is, food, in order to increase the blessings.

Offering flowers represents our bodhicitta, but it should be noted that smelly flowers can't be offered, and flowers with thorns, like roses, can't be offered until the thorns are pulled out; Artificial flowers are also acceptable.

Offering a lamp represents wisdom, and offering a lamp is to seek wisdom and turn on the light of self-confidence.

Offering incense, that is, sesame oil, is an Indian custom, which means keeping precepts;

Providing fruit, which belongs to food, is consistent with providing tea.