yes. Fennel jiaozi belongs to "food" and can be worshipped by Buddhas and Bodhisattvas. Moreover, sincerity is the most important thing. Let me popularize the knowledge of offerings for you!

-don't put meat in the offering! Don't put anything obscene in the offerings of the gods and buddhas, otherwise it will not only damage the cultivation of the gods and buddhas, but also increase your sin. I'll explain the ten offerings to you:

-Generally speaking, there are many offerings in Buddhism, such as dharma offerings, financial offerings, outlook offerings, three professions offerings, and thousands of monks offerings. However, we laymen only know how to support the Buddha with money. The most popular thing is to support the Buddha with ten things, that is, incense, flowers, lamps, water, fruits, tea, food, treasures, pearls and clothes. There are certain metaphors, such as incense symbolizing abstinence, flowers symbolizing beauty, lamps symbolizing light, water symbolizing purity, fruits symbolizing Buddha and fruit, and tea symbolizing sobriety and food. Therefore, the Buddha doesn't need any offerings from Buddha to Buddha, but if you offer ten offerings and reverence to any Buddha, they will gladly accept it. But if you support, there will be blessings. Amitabha!