Egyptian egg salad

Name: Egyptian egg salad
Prep time: 10 min
Cook time: 5 min
Total time: 15 min
Cuisine: African
Ingredients: 2 large eggs; 1 lemon, juiced; 1 tbsp tahini; 1 tbsp rapeseed oil; 1 red onion, chopped; 3 large garlic cloves, finely chopped; 1 tsp ground cumin; ½ tsp cumin seeds; 400g can borlotti or fava beans, juice reserved; 2 Little Gem lettucescut into wedges; 2 tomatoes, cut into wedges; sprinkling of dried chilli flakesand roughly chopped flat-leaf parsley, optional