1: Prepare the beef by slicing it into thin strips.
2: In a large skillet or wok, heat the dark sesame oil and canola oil over medium-high heat.
3: Add the sliced beef and stir-fry until browned.
4: Add broccoli, carrots, ginger, and garlic; stir-fry for about 5 minutes.
5: In a bowl, mix soy sauce, Sambol chili, brown sugar, chili flakes, and corn starch, then add to the skillet.
6: Dissolve chicken bullion cube in a little water and add to the mixture.
7: Stir until the sauce thickens, then add vinegar.
8: Garnish with green onions and serve hot.
