Filipinos usually press the cooked onion and garlic through a sieve to make a sort of purée for the sauce, but you could also put everything into a blender.

Serve with white rice to which you’ve added some chopped green onion or shallot.

For a more exotic flavor, add some small pieces of fruit.

1. Rub the steaks with salt and pepper;
2. in a small bowl, dissolve the sugar in the lemon juice and soy sauce;
3. marinate the beef in this marinade for one hour, turning every 15 minutes; remove from the marinade and place on paper towels;
4. pour the marinade into a saucepan; add the onions and garlic; bring to a boil; add 5 tbsp. boiling water; reduce the heat to minimum and simmer for 10 minutes; remove from the heat and press through a sieve; return to the saucepan and keep warm;
5. brush the steaks with oil; grill on the barbecue or in the oven on high heat for 3-4 minutes on each side, depending on the thickness;
   serve with the sauce.