streusel coffee cake

Ingredients For streusel coffee cake

• 1/4 c

  butter softened
• 1 1/4 c

  sugar
• 2

  egg yolks
• 1/4 c

  canola or vegetable oil
• 1/4 c

  applesauce, unsweetened
• 1 tsp

  vanilla
• 3 c

  cake flour
• 2 tsp

  baking powder
• 1 tsp

  baking soda
• 1 1/2 c

  sour cream, fat-free
• 4

  egg whites
• 2 Tbsp

  confectioners' sugar
• FILLING
• 2/3 c

  chopped pecan or walnuts
• 1/3 c

  packed brown sugar
• 1 Tbsp

  butter melted
• 1/2 tsp

  cinnamon