You should give your rabbit bowl of rabbit food once a day and you can give the rabbit grass but for limited time. You should also give your bunny carrots and dandelion etc twice a week. Timothy hay can also be provided to bunny in unlimited quantity.
You should give your rabbit like 2 small bowls of food each day
you should also give your rabbit some salad
they like carrots,lettuce,spinich and other vegetables
and they even like fruit