1. Strawberry: Strawberry is a popular fruit, and its flavor is refreshing and sweet, which can neutralize the sweetness of the cake and make the taste more balanced.
2. Mango: Mango is also a popular fruit with a rich, sweet flavor that complements the texture of the cake.
3. Yellow peaches: yellow peaches are a delicate, sweet-tasting fruit that also goes well with the cake.
4. Cherry: Cherry is a sweet and sour fruit that can bring some different texture and flavor to the cake.
5. Kiwi fruit: Kiwi fruit is a fruit rich in vitamin C. Its flavor is sweet and sour, and it goes well with the cake.
Besides the above mentioned fruits, there are other fruits to choose from, such as bananas, grapes, apples and so on. Also, if you sandwich a fruit salad in the middle of the cake, it will add richness to the taste.