Stir nuts in a large frying pan over medium heat until toasted lightly. Remove from pan. Cool. Put 2 tablespoons aside.
Use a vegetable peeler to cut ribbons lengthways from the zucchini
Blend rind, juice, basil, nuts, chilli & half the oil until finely chopped.
Transfer mixture to a small bowl, stir in the remaining oil. Season to taste.
Cut haloumi horizontally, then cut each half into 3 pieces crossways.
Heat 1 tablespoon of oil in the fry pan over medium heat, cook haloumi over low heat until browned on both sides.
Layer haloumi & zucchini on serving plates. Drizzle with basil mixture the sprinkle with toasted nuts. serve with lemon wedges.