1 lb (450 g) tofu, cut into 2.5 cm (1 inch) cubes
1 large red pepper, cored, seeded and cubed
1 large green pepper, cored, seeded and cubed
grated rind and juice of 2 limes or 1 lemon
3 tbsp (60 ml) olive oil
salt and pepper, to taste
2 tbsp (30 ml) low-fat natural yogurt
2 tbsp (30 ml) soy sauce, preferably naturally fermented shoyu
1 garlic clove, skinned and finely chopped
1.25 ml (1/4 tsp) ground cumin
1.25 ml (1/4 tsp) curry powder
8 cherry tomatoes or 4 tomatoes, cut into wedges
shredded lettuce, to serve