Lazy Cream Horns

Name: Lazy Cream Horns
Prep time: 15 min
Cook time: 5 min
Total time: 20 min
Cuisine: American
Ingredients: 1 box frozen Puff Pastry with 2 sheets (thawed); 1 egg (slightly beaten); Coarse sugar crystals (I use decorator sugar); 1/2 cup softened butter; 1/2 cup butter flavored solid shortening; 2 cups powdered sugar; 1 tablespoon vanilla extract; 1 jar marshmallow fluff (about 7 ounces)