and just let them set until they turn into dirt, all by themselves... you know it is ready, when you try to move the bag and it falls apart.
the second is i sheet compost... i just pile the leaves on the beds for the winter. come spring, i simply remove them, to the compost bin... which is really just a bin of leaves. i let the weeds grow, and plant around them for awhile, the weeds tell me when the soil is warm.
then when i need to remove the weeds, i put them into the compost bin. once all is growing, i go to the compost bin, and get some 