2 cups tapioca starch
1 teaspoon salt (optional)
1/2 cup vegetable oil
1/3 cup water
1/3 cup milk
6 ounces shredded Parmesan cheese
Preheat oven to 375 degrees F (190 degrees C). Lightly grease a baking sheet
Place tapioca starch and salt in a large bowl.
Bring vegetable oil, water, and milk to a boil over medium heat until a white foam appears. Pour milk mixture over tapioca starch and stir until well mixed; allow dough to rest for 15 minutes. Mix eggs and Parmesan cheese into dough. Shape dough into 1 1/2-inch balls and place on prepared baking sheet.
Bake in preheated oven until rolls are browned, 15 to 20 minutes
Source : allrecipes.Com