Heat oven to 350°F. In a large bowl, stir together sugar, oil, orange peel, orange extract, vanilla, and eggs. Stir in remaining ingredients.
Place dough on a lightly floured surface. Knead until smooth. On an ungreased cookie sheet, shape half of dough at a time into a 10x3-inch rectangle about 1 to 1.5 inches tall
Bake 25 to 30 minutes or until a toothpick inserted in the center comes out clean. Cool on cookie sheet for 5 minutes.
Cut rectangle crosswise into ¾ inch slices. Turn slices cut sides down on cookie sheet.
Bake about 15 minutes longer, turning once, until crisp and light brown.
Remove from cookie sheet and place on a cooling rack.