Crush the garlic clove and chop the onion.
Place the peas in a large pan. Cover with cold water. Bring to the boil and boil, uncovered for 25 minutes. Drain.
Heat oil in a pan. Add onion and garlic and cook over a low heat for 2 minutes. Add the spices , stirring for 2 minutes.
Add the well drained peas, lemon juice and rind. Stir to combine and cook over a low heat for 8-10 minutes.
Cook the pasta in a large quantity of boiling water until just tender. Drain and place on a large serving plate. Pour sauce over the pasta and garnish with the coriander leaves.