In a small bowl, combine the olive oil, mustard and 3 TBSP of Hoisin sauce. I am sharing approximate amount for the marinade based on my family’s tastes. Depending on your taste, you can add more Hoisin and less mustard.
Put the chicken breasts in a large bowl. Add the above marinade.
Make sure to mix well.
Cover with plastic wrap and store in the fridge for 24 hours at least.
Once ready to cook, open the grill
Let it heat
Brush with sesame oil
Grill the chicken
In the middle, make sure to add brush the chicken with Hoisin sauce to keep them moist
Serve with your favourite salad recipe topped with some goat cheese.