Combine cheeses; add eggs and salt and blend well.
Add parsley and optional ingredients, if desired.
Cut dough lengthwise into 2" strips.
Refrigerate 2/3 until needed.
Cover remaining strips with dampened towel.
Use 1 sheet at a time; brush with melted butter.
Place 1 to 2 teaspoons of filling on one end of strip and fold over to make a triangle.
Continue folding pastry from side to side until all is folded.
Place pastry, seam side down, on baking sheet.
Brush tops with melted butter and bake in a 400 deg oven 10 to 15 min until golden brown.
May be frozen unbaked.
Makes about 10 dozen.