How to make beef black pepper HD

Beef in black pepper sauce 250g beef marinate in: 2g salt, 2g msg, 2g potato starch, 2g baking soda, dash of pepper and 2 tablespoon vegetable oil. 1 shallot 3 stalk spring onion ( only top part ) some garlic half teaspoon of coarse black pepper powder 8oz water (approx.) 1g salt 1g msg 1g sugar half teaspoon oyster sauce dash of wine. Thicken with potato starch 1 piece of broccoli