Combine the soy sauce, mirin, brown sugar, ginger, garlic and sambal in a bowl and stir until the sugar has dissolved.
Remove the chicken meat from the bone and cut or tear into bite size pieces. Toss the chicken meat with the marinade and refrigerate until needed. To make the salad: Soak the glass noodles in the hot water for 5 minutes, stirring gently to separate and loosen the noodles. Strain the softened noodles and toss with the Basic Sauce. Using a pair of scissors, snip the noodles into shorter lengths.
Remove the chicken from the marinade and toss with the glass noodles. Toss the jicama, carrot, green papaya, mango, cucumber, cilantro, and basil with some of the Spicy Dressing.
Mix the dressed vegetables with the noodles. Mound onto a plate and sprinkle with bean sprouts, mint, and peanuts.
Drizzle with some more of the Spicy Dressing.
In a large pot combine the onion, garlic, bay leaf, salt, and water. (Use just enough water to be able to completely cover the chicken once they have been added to the pot). Bring to a boil over high heat.
Add the chicken breasts and reduce the heat to medium. Simmer for about 15 to 20 minutes.
Remove chicken from water and cool completely.
Combine the sugar and water in a medium-sized pot and boil for 5 minutes to make a simple syrup. In a blender puree the sambal, garlic, red pepper, fish sauce, salt, and lemon juice.
Add the puree to the pot with the simple syrup. Simmer for 25 minutes until the sauce has thickened to the consistency of corn syrup. Store Basic Sauce in a tightly sealed container in the refrigerator for up to 1 month. .
