Gyoza - potsticker wrappers can also be found in the refrigerator section. If unavailable substitute wonton wrappers and cut into 3 1/2-inch rounds.)
1 1/2 Garlic Cloves, minced
Whisk all ingredients together in medium bowl. cover and chill.
RAVIOLI:
2 Baking Potatoes (1 1/4 pounds)
3/4 Cup Whole Milk Ricotta Cheese
3 Garlic Cloves, minced
1 Lg. Egg Yolk
1/4 Cup Buttermilk
3 Green Onions (including green tops), minced
Cornstarch
1 10-ounce package gyoza (potsticker) wrappers
1 Egg White, beaten to blend
Vegetable Oil (for deep frying)
Fresh Cilantro Sprigs
FOR RAVIOLI: Preheat oven to 350 degrees F. Bake potatoes until tender, about 1 hour. Remove pulp from warm potatoes. Transfer to large bowl. Add ricotta cheese, minced garlic and egg yolk. Using electric mixer, whip until smooth. Add buttermilk and onions. Season generously with salt and pepper. Beat filling until creamy and fluffy. Cover and refrigerate until chilled.
Dust cookie sheets with cornstarch. Place 12 wrappers on work surface. Brush with egg white. Place 1 slightly rounded teaspoon filling on half of each wrapper. Fold wrapper in half. Press firmly to seal all edges. Place ravioli in single layer on prepared pans. Repeat with remaining wrappers, egg white and filling in batches.
Heat oil in large deep pot to 375 degrees F. Fry ravioli in batches until golden brown, about 45 seconds per side. Transfer to paper towels using slotted spoon. Season with salt if desired. Arrange on platter. Garnish with cilantro and serve with sauce.