blueberry tea cake with lemon glaze

Ingredients For blueberry tea cake with lemon glaze

• 2 1/2 c

  all purpose flour (plus 1 tsp for blueberries and zest)
• 2 tsp

  baking powder
• 1 c

  butter, room temperature
• 1 c

  granulated sugar
• 1 c

  light brown sugar
• 1/4 tsp

  salt
• 4 lg

  eggs
• 1 tsp

  vanilla extract
• 1 tsp

  lemon extract
• 1 c

  buttermilk
• 2 c

  blueberries (frozen,unthawed)
• 2 Tbsp

  grated lemon zest
• 2 1/2 tsp

  lemon juice (for glaze)
• 2 c

  confectioners' sugar (sifted for glaze)