In a large bowl, dissolve yeast in warm water. Add oil and sugar; let stand for 5 minutes. Add the egg, salt and enough flour to form a soft dough. , Turn onto a floured surface; knead until smooth and elastic, 3-5 minutes. Do not let rise. Divide into 12 pieces; shape each into a ball. Place 3 in. apart on greased baking sheets. Preheat oven to 425°., Cover and let rest for 10 minutes. Bake until golden brown, 8-12 minutes. Remove from pans to wire racks to cool.