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["Prepare Filling:", "Place potatoes in a saucepan, cover with water and chicken broth.", "Bring to a boil, reduce heat, and simmer 15 minutes or until tender.", "Drain well.", "Combine potatoes, broth, softened cream cheese, salt, pepper and salmon in a large bowl, mash until well combined.", "Heat a large nonstick skillet over medium-high heat.", "Coat pan with cooking spray and butter.", "Add onion, cook 5-10 minutes until caramelized.", "Remove with slotted spoon and add to potato mixture.", "Stir into the potato mixture.", "Set aside.", "Prepare Dough:", "Preheat oven to 375u00b0F.", "Combine 2-1/2 cups flour, baking powder and salt in a large bowl.", "Combine cream cheese, 1/4 cup water, butter and 1 egg in medium bowl, stirring with a whisk.", "Make a well in center of flour mixture; add yogurt mixture, stirring until dough forms.", "Sprinkle with chopped chives, if desired.", "Turn dough out onto a floured surface.", "Knead until smooth and elastic(about 10 minutes); and 1 tablespoon flour to prevent dough from sticking to hands(dough will feel sticky).", "Cover dough, and let it stand for 10 minutes.", "Divide dough into 16 portions.", "Working with one portion at a time(cover remaining dough to prevent drying), roll each portion into a 5"" square on a floured board.", "Place 1/4 cup potato mixture in the center of dough.", "Fold dough over filling, pinching ends and seam to seal.", "Place knishes, seam side down on a cookie-sheet coated with cooking spray.", "Repeat procedure with remaining dough and filling.", "Make a small cut in center of top of each knish.", "Combine remaining 1 tablespoon water and remaining egg in a small bowl, stirring with a whisk.", "Brush egg mixture over knish tops.", "Bake for 30 minutes or until golden."]
