Step 1

Preheat oven to 375.

Step 2

Mix spinach, cheese and egg yolk in a medium bowl until well combined.

Step 3

Open can of crescent rolls and lay each triangle out on a foil lined cookie sheet.

Step 4

Spoon a little of spinach mixture onto each crescent triangle and roll up.

Step 5

Brush tops of rolls with egg white and bake for 14 - 16 minutes. Serve warm.