frosted banana cookies

Ingredients For frosted banana cookies

• 3/4 c

  butter, softened
• 3/4 c

  brown sugar, firmly packed
• 1 c

  bananas mashed (about 2 medium)
• 1 lg

  egg
• 2 tsp

  sour cream, lite
• 2 1/2 tsp

  vanilla
• 2 c

  all purpose flour
• 1/2 tsp

  baking powder
• 1/2 tsp

  baking soda
• 1/4 tsp

  salt
• 1/2 tsp

  cinnamon
• FROSTING
• 2 Tbsp

  butter
• 3 Tbsp

  brown sugar, firmly packed
• 2 Tbsp

  milk (or half & half)
• 1 1/4 c

  powdred sugar
• 1/2 tsp

  vanilla
• 1/8 tsp

  cinnamon