Romanian Cheese Sticks (Saleuri)

These little sticks make a perfect snack or appetizer.  They are super easy to make and delicious to eat.:)  Enjoy!
-1 1/2 cups shredded mozzarella
-1 cup margarine
-1/2 cup sour cream
-2 Tbs dry active yeast
-1 egg + 1 yolk for brushing on top
-3 to 3 1/2 cups flour
-1 tsp salt
-poppy seeds and toasted sesame seeds for topping
Mix cheese, margarine, sour cream, yeast, 1 egg, flour and salt, until you get a nice homogeneous dough.  Cover and let it rest for 1 hour.  It does not need to rise.
Preheat oven to 350 F.  Line 3 baking sheets with parchment paper.
Divide the dough into 3.  Roll it out to about 1/4 inch thick.  Cut into strips with a knife or pizza cutter.  Place strips on prepared sheet.  Brush with egg and sprinkle with either poppy or sesame seeds.
Bake in preheated oven for 10-12 minutes.  Let them cool on baking sheet for about 10 minutes.  Remove onto serving platter.  Enjoy!