This is a paid asset, but now you can download Food 3D Models for Unity Collection Free.
Detail this asset from Cgaxis Store: Original Link
Food 3D Models for Unity Collection
Collection of 59 various food products. Scanned from real products and optimized (below 2k polygons). In it you will find bakery products such as sweetrolls, muffins, cakes, fruits and snacks. This collection is compatible with Unity 3D Engine 5.6.2 or higher and have models prepared as prefabs with materials and textures.
Total size: 455 MB