LEMONGRASS BUTTER SAUCE (BEURRE BLANC)

Steps:

• Heat oil in nonstick pan. Over low heat, saute leek, shallots, garlic, mushrooms, lemon grass and lime leaf. Cook for a few minutes, stopping before ingredients begin to take on color. Add wine, bring to a boil and reduce by two-thirds. Add fish stock and reduce by two-thirds.
• Add cream, and simmer for 10 minutes; strain sauce. Clean pot or use fresh one. Return strained sauce to pot, and return to heat. Add a tablespoon of butter at a time to lightly boiling sauce, whisking until butter is incorporated. Season with cayenne, and serve over won tons.