In a large bowl, combine the flour, caraway seeds, baking powder and salt. In a small bowl, combine the onions, eggs and oil; add to dry ingredients just until moistened.
Turn onto a floured surface. Roll dough to 3/4-in. thickness; cut with a floured 2-in. biscuit cutter. Place 1 in. apart on a greased baking sheet. Bake at 425° for 10-15 minutes or until golden brown. Serve warm.