The self-described "tuna fish salad master-maker" shared his recipe while on the 2 Bears 1 ... McConaughey insists a tuna salad is always best the next day, so leave the mix in the fridge ...
Stir in both types of sesame seeds and the chilli flakes, if using. Divide the rice equally between four plates and top with the tuna salad. Garnish with coriander and serve.