1 1/2 cups all-purpose flour
1 tablespoon sugar
2 teaspoons baking powder
1/2 teaspoon salt
1 (9 ounce) can tuna packed in water, drained
1/2 cup plain nonfat yogurt
1/2 cup chopped green onion
1/4 cup chopped green olives
1 tablespoon chopped garlic
1 egg
3/4 cup skim milk
1/3 cup vegetable oil