Sirloin Steak

200 grams sirloin meat
1tsp salt
1/4tsp finely ground black pepper
2 tbsp olive oil 
(MARINATE FOR 15MINUTES)
for the sauce :
half of slice onion / red onion
1 clove chopped garlic 
1tbsp flour
300ml water
1tbsp sweet soy sauce
1tbsp tomato sauce
a pinch of salt 
1/4 tsp sugar
1/2tsp finely ground black pepper
cook the sirloin meat in saucepan on medium heat for about 2-3 minutes one side and the other side thoo~~
enjoy! serve with boiled/cooked vegetables and potato wedges^^