• 1 lemon cut into quarters
• 1 inch piece ginger peeled and cut into coins
• 2 bay leaves
• 1 large garlic clove lightly crushed
• 3 scallions
• 2 tsp crushed red pepper flakes
• 2 tsp whole coriander seeds
• 3 tbsp soy
• 1 lb large shrimp shell on

For dipping sauce:

• 2 tbsp soy sauce
• 1 tbsp sweet soy sauce
• 2 tsp sugar
• 1 1/2 tsp rice wine vinegar
• 1 tsp canola oil divided
• 1 tsp fresh garlic minced
• 1/2 of a serrano chili finely sliced (or to taste)
• 1 scallion thinly sliced on the bias