I did wonder if you could get a tesco online shop order or similar, delivered to a ward. Even if you had to ring a friend or relative to order it for you/give them your details. Drinks, fruit, bread and jam, a cake or muffins, rice snacks, protein/cereal bar. Cheap basics. Or here you can order a wait and return taxi, that takes you to a shop then brings you straight back, a mile and back would be about £6? And most takeaway places sell drinks now, and will deliver to hospital. My local hospital has a Mccdonalds across the road, that's always packed.
Basic stuff can be taken in anyway though? I wasn't interested in food when I was in labour, but if I was someones birth partner, I'd have a drink and snacks packed, and probably some money on me just in case. When I was kept in with the flu while pregnant, my mum and dp brought me in juice, crisps etc. My mum was in hospital recently for surgery, and my stepdad and uncle both brought her in multipacks of chocolate, to cheer her up, and I had to go in search of a vending machine to get her a bottle of coke. Surely keeping yourself and your loved one fed and watered (as hospital food can be hit or miss), is part and parcel of the experience? Nuses don't have time to make toast or tea!