• Pre-heat oven to 360° F

After opening the thawed Fillo dough and covering it with a dry-damp towel:

• Remove one sheet of Fillo dough to your work surface, so the long side of the Fillo is facing you, lengthwise.
• Lightly butter the right half of the Fillo.
• Fold the un-buttered side over the buttered side and lightly butter the top.
• Remove Feta cheese from package. If it's packed in brine, be sure to blot with a paper towel to remove excess moisture.
• Nearest you, place a piece of Feta cheese, centered left to right, about 2 inches from the bottom.
• Place 2 teaspoons of blueberry preserves atop the Feta.
• Add 4-5 fresh blueberries atop the preserves.
• Fold the left and right sides of the Fillo, over the Blueberry/Feta mound, and butter lightly.
• Fold up the bottom of the Fillo packet, and continue to roll/fold until the end.
• Place on a buttered sheet pan, and use the tip of a sharp knife to cut through the top layer from edge to edge. Butter the exposed top.
• Repeat until you have all the packets you desire.
• Place in a pre-heated oven and bake for 12 minutes.
• Remove from oven, dust with Confectioner's Sugar and some lemon zest and serve.

Variations

• You can slice the Feta Cheese in short logs, and make cigar-sized appetizers.
• Add the lemon zest atop of the blueberries before baking.