Top 10 or 12

Isn't it almost just common sense? Grow that which you're likely to eat, the rest of the space is allowed for experiments. I suppose that's why my patch is boring and the same year after year.

My first choices

GH tomatoes and cucumbers, the difficulty lies in choosing the varieties
Outside
Beans - I'm going to cheat here and lump some together DFB and CFB
Broad beans
Courgettes
Sweetcorn
Carrots
Chard
Onions/garlic
Trombas
Kale

The less important
Beetroot
Pumpkins
Salad leaves/lettuce
Pak choi

Then there's the list of don't bother even though they're common
Cabbage and other brassicas
Potatoes