Blueberry brunch cake

Cake:
    1/2 c  butter
    1/2 c  Sugar
      2 ts Grated lemon peel
      1    Egg
  1 1/2 c  flour
      2 tb Poppy seed
      1 ts baking powder
    1/4 ts Salt
    1/2 c  Sour cream
           Filling:
      2 c  Blueberries
    1/3 c  Sugar`
      2 ts flour
    1/4 ts Cinnamon,ground
           Glaze:
    1/3 c  Powdered sugar,sifted
      1 ts Milk
 

  sugar; add eggs and lemon peel. Combine dry ingredients and add to creamed
  mixture with sour cream. Spread batter in a greased 9 inch springform pan,
  spreading batter one inch up sides of pan to hold filling. Combine filling
  ingredients and spread over batter. Bake at 350 degrees, 40 - 50 minutes.
  Combine glaze ingredients and drizzle over cake.
 
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