wineberry coffee cake

Ingredients For wineberry coffee cake

• 2 c

  all purpose flour
• 3/4 c

  sugar
• 2 1/2 tsp

  baking powder
• 1 tsp

  salt
• 1/2 stick

  unsalted butter melted
• 1 c

  sour cream
• 1

  egg
• 2 tsp

  vanilla extract
• 1 1/2 c

  wineberrys (fresh or thawed frozen)
• 1/3 c

  all purpose flour
• 1/2 c

  brown sugar, firmly packed
• 1/2 tsp

  cinnamon
• 1/2 stick

  butter, unsalted cold firm