You can offer some fruits and vegetables as a treat to rabbits. You can also give some sugary fruits rarely. However, you will have to remove the seeds and pips. When it comes to treats, you can offer banana, apples, blackberries, carrot tops, blueberries, dandelion, grapes, iceberg lettuce, kale, pears, papaya, pineapple, melon, tomatoes, strawberries, and raspberries. You will find many fruits that you can use as treats. However, you will have to consider alternatives and take care of the quantity to avoid any complications.