Grease and flour 10 inch tube pan. Preheat oven 350 degrees. Mix flour, baking powder, soda, salt, in small bowl. combine sugar with 1 Tablespoon flour and cinnamon. In large bowl beat oleo with sugar and vanilla until fluffy. Add eggs, one at a time. At low speed flour,sour cream,flour,sour cream flour. Beat until combined. Turn 1/3 batter into pan, spread evenly. Sprinkl with 1/2 blueberries and 1/2 brown sugar. Repeat Bake 60 minutes or ubtil cake tester comes out clean. Cool in pan 20 minutes. Remove pan. Mix powdered sugar and milk. Drizzle over cake.
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