1Finely dice the onion, parsley stalks, red chilli and garlic.
2Warm a glug of olive oil in a saucepan on a medium heat.
3Add the onions with a pinch of salt, then allow to soften for 2-3 minutes.
4Add the parsley stalks, chilli and garlic, frying until fragrant.
5Add the butter beans (with their liquid if jarred), then nutritional yeast and simmer on a medium-low heat for 5-10 minutes, adding a splash of water to loosen.
6Trim the stalks of the asparagus, then boil in salted water until al dente (3-4 minutes).
7Dissolve the miso paste in 1 tbsp of boiling water, then add to the beans with a squeeze of lemon and a handful of chopped parsley.
8Season the asparagus with salt, pepper, olive oil and lemon juice.
9Warm up your flatbreads, then spoon the beans onto a plate.
10Top with the asparagus, grated lemon zest and parmesan.