5 issues of BBC Good Food for £5
Put the cumin seeds in a small pan on the hob and lightly toast. Tip into a large bowl and mix with the beans, lime zest and juice, tomatoes, shallot, chilli and coriander. Crumble in the feta and gently toss.
Serve on top of the avocado halves, scattering with a few extra coriander leaves and squeezing over a little extra lime from the wedges.