Blueberry Cookies

Dough:
1 1/4 C Flour
1/2 C Brown sugar (packed)
1 tsp Baking powder
1/2 tsp Baking soda
1/4 tsp Cinnamon
1/8 tsp Salt
1/3 C Butter or Margarine (cold)
1 Egg white (whipped)
1/3 C Skim milk (room temperature)
1 tsp Lemon peel (grated)
3/4 C Blueberries

Frosting:
1 C  Powdered sugar (sifted)
1 T Butter or margarine (softened)
1/4 tsp Lemon peel (grated)
Water
 
Preheat oven at 375. Prepare a baking sheet with cooking spray. To prepare batter, combine flour, brown sugar, baking powder, baking soda, cinnamon, and salt in a mixing bowl. Using a pastry blender, cut in   margarine till pieces are the size of small peas. In another mixing bowl, combine egg white, milk, peel. and blueberries.  Mix the dry ingredients with wet ingredients until just moistened. Drop dough from rounded tablespoon 2 inches apart on prepared baking sheet. Bake for 10 to 12 minutes or until edges are set and lightly browned. To prepare frosting, combine powdered sugar, 1 tablespoon butter, peel and enough water to mix into spreading consistency.