Heat the olive oil in a pan over a medium heat. Add the onions and cook for 10 minutes, or until lightly browned.
Add the garlic and spices and cook for 1–2 minutes to infuse the flavours.
Stir in the tahini and 50ml/2fl oz hot water. Add a splash more hot water if needed.
Add the beans and parsley stems and leaves, reserving some leaves for garnish. Cook for a few minutes to warm through the beans.
Finish with black pepper and a drizzle of olive oil. Serve with toasted sourdough bread.
