What to do with "used" compost

This is my first year too, I have been adding the used compost to the soil, not sure there are any nutrients left but it adds structure to my clay soil

We're very new at this allotment business, having been allocated one about 6 weeks ago, so not much chance of anything decent this summer. However, we have some potatoes and tomatoes in growbags and sacks. Can the compost from these be dug into the allotment, to aid its nutrient levels, or is it of no use?

You can still plant spring onions, spring cabbage seeds, beetroot, french beans,  give it a go it will inspire you for next year.

Blood fish and bone not needed if you are going to follow up with something like lettuce. Lettuce will grow well enough in spent compost without using animal products.  if you do feel like giving the lettuce a boost there is always comfrey extractor worm farm juice.

Carrots don't like nitrogen rich soil/compost so i have sown up a tub of Nantes in another spend compost tub and expect the y will do ok in there, then the compost will go down the lotty as a soil improver.

Just my twopenneth.