sherry's moist sour cream coffee cake

Ingredients For sherry's moist sour cream coffee cake

• 2 c

  flour
• 1/2 tsp

  baking soda
• 1-1/2 tsp

  baking powder
• 1 c

  butter, softened
• 1-1/2 c

  sugar
• 2 lg

  eggs
• 1 c

  sour cream
• 1 tsp

  vanllia
• 3/4 c

  chopped walnuts
• 1 Tbsp

  cinnamon
• 1/3 c

  light brown sugar
• 1/3 c

  butter, softened
• 1/2 c

  flour