Beef yakiniku

Ingredients

• 1 tbsp vegetable oil
• 3 cloves garlic
• 1 g ginger
• 200 g sliced beef
• 1/2 bulb yellow onion
• 1 tbsp oyster sauce
• 1 tbsp light soy sauce
• 1 tbsp sweet soy sauce
• 30 ml water
• 1 pinch salt
• 1 pinch sugar
• 1/2 tsp pepper
• 1 pinch white sesame seed