Heat oils in a medium skillet over high heat. Add onion and garlic, cook for 1 ½ min.
Add beef, cook until it changes from pink to light brown. Add Sauce, cook 2 to 3 min until well caramelised (see video).
Clear space for the noodles. Add water, place noodles in water. Leave 45 sec then turn. Leave 30 sec, untangle noodles, then toss through the beef.
Add beansprouts, toss 1 min until sauce reduces to coat the noodles and the noodles are cooked (2 to 3 min), add extra water if needed.
Serve immediately, garnished with green onions and sesame seeds.
