Step 1

Heat oven to 375°F. Grease bottom and side of 9x3-inch springform pan or 9-inch square pan with shortening or cooking spray. In small bowl, mix 1/2 cup sugar, 1/3 cup flour and the cinnamon. Cut in butter with fork until crumbly. Set aside.

Step 2

In large bowl, stir together all coffee cake ingredients except blueberries; beat with spoon 30 seconds. Fold in blueberries. Spread batter in pan. Sprinkle with topping.

Step 3

Bake 45 to 50 minutes or until toothpick inserted in center of cake comes out clean. Cool 10 minutes; remove side of pan.

Step 4

In small bowl, mix all glaze ingredients until smooth and thin enough to drizzle. Drizzle over warm coffee cake.