Seafood Salpicao

Ingredients

• 1 medium onion (chopped)
• 2 tbsp soy sauce
• 2 cloves garlic (crushed)
• 1/2 cup water
• 2 tbsp cooking oil
• 1/2 kilo shrimps
• 2 cups mussels (with shell or un-shelled)
• 2 cups squid (cut in rings)
• 4 - 5 tbsp oyster sauce
• salt and pepper (seasoning)
• 2 cups red and green bell pepper
• 1 tbsp cornstarch dissolved in 2 tbsp water (for thickening)