Preheat oven to 400°F Grease cookie sheet with nonstick spray.
Lightly spoon flour into measuring cup; level off. In a large bowl, combine all ingredients except yogurt; mix well. Make a well in the center of the flours; add 1 cup yogurt. Stir just until moistened.
On a lightly floured surface, gently knead until dough holds its shape. Place on greased cookie sheet; pat out into 7 inch circle. Brush with 2 Tablespoons yogurt.
Bake at 400F for 12-14 minutes or until golden brown. Serve warm.