Birthday Afternoon Tea Ideas Wanted

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For Tuesday (so shopping as much as possible in advance)

For 2 DC, 2 diabetic Grandparents, 2 vegetarians + 2 other adults.

Make as much in advance as possible.
Sandwiches, cakes, scones sort of tea.
No larks tongues in aspic please

TIA

I know you have some special requirements but check out he Afternoon Tea thread further down for fantastic inspiration

I saw the Afternoon Tea thread after I posted .

The Birthday Person in question is me, so I want something I can buy/prepare in advance.
But no running to M&S or Waitrose. It all has to be homemade.(By me though I will ask DH to do the sandwiches)