grandma's banana bread

Ingredients For grandma's banana bread

• 1 lg

  egg, room temperature
• 2

  egg whites
• 1 tsp

  pure vanilla extract, or almond extract
• 6 Tbsp

  butter, room temperature
• 1/2 c

  light brown sugar (firmly packed)
• 1/2 c

  granulated sugar
• 1 1/2 c

  very ripe bananas mashed (about 3-4 bananas)
• 1 3/4 c

  all purpose flour
• 1 tsp

  baking soda
• 1/4 tsp

  baking powder
• 1/2 c

  heavy cream
• 1/3 c

  walnuts chopped
• 1/2 tsp

  salt (optional)