In a small saucepan add all ingredients and bring to a boil. Slow to a simmer for 1 minute. Take off fire and let steep for 5 minutes, strain through a chinois or fine mesh strainer. Reserve warm.
For the Batter:
makes 1 3/4 cups batter.
Place flour, corn starch, curry paste, fine chopped Kaffir lime leaves, salt and palm sugar in a food processor. Pulse until smooth and curry is incorporated. Transfer to a cold stainless steel bowl and add ginger ale one half at a time whisking vigorously to avoid lumps. Keep chilled.
For the Shrimp and Eggplant:6 each shrimp and 7 to 8 pieces eggplant per serving.
Butterfly shrimp and cut eggplant sticks, lightly dust in cornstarch, transfer to chilled batter. In a shallow fry pot, heat peanut oil to 350 degrees. Place shrimp and eggplant in oil and fry until crisp, approximately 2 minutes or until golden, transfer to paper towels to drain any excess oil.
For the Assembly:
Heat sauce and mirror rectangular plate, shingle eggplant on top of sauce and top with shrimp. Garnish each plate with 2 pieces of cilantro sprigs and fine chiffonade of lime leaf.
*These types of ingredients can be found at Asian specialty food stores and many supermarkets.