Soy Shrimp

Soy Shrimp Materials: Large shrimp 1/2 kg,clean, split back. Red onion finely sliced 3 pcs Garlic, finely sliced 3 pcs 1 cm ginger finely sliced Onion 1 / 2 pcs,sliced 2 tbsp sweet soy sauce 2 tbsp butter 200cc water sug...