In large bowl, whisk together flour, sugar, baking powder, baking soda, cinnamon, ginger and salt. Add carrots and raisins to bowl. Then add oat mixture to dry ingredients all at once. Stir and fold gently with rubber spatula just until dry ingredients are moistened. Do not overmix.
Scrape batter into pan.
Bake 60-70 minutes or until tests done. Cool in pan on wire rack for 10 minutes. Remove from pan and cool completely. Makes 16 servings.