Avocado on toast with smoked salmon

avocado

fat-free yogurt 2 tbsp 

lemon ½, juiced

rye bread 2 slices, toasted 

cayenne pepper

smoked salmon

cucumber 1/4, ribboned with a veg peeler

salad cress a handful 

red chilli ½, seeded and finely diced

mint finely chopped to make

lemon ½, zested and juiced

tomato 1, finely diced

white wine vinegar