To prepare thai inspired shrimp cakes, you'll need: 1 pound shrimp, 2 tablespoons water, 1 teaspoon kosher salt, and 1 tablespoon melted butter. Place the shrimp in a large bowl and cover with cling film. Cover and refrigerate until firm, at least 1 hour. Preheat the oven to 375 degrees F (190 degrees C). Peel and slice the garlic. Cut the onion in half lengthwise and add it to the bowl. Add the lemon juice, garlic, ginger, soy sauce, salt and pepper. Toss the ingredients together. Pour the mixture into the prepared pan and bake for 20 minutes. Remove the pan from the heat and let it sit for 5 minutes before serving.