best banana muffins

Ingredients For best banana muffins

• 1/4 c

  butter, softened (only butter!)
• 1 c

  sugar
• 2

  eggs
• 1 1/2 c

  all purpose flour
• 1 tsp

  baking soda
• 1 tsp

  salt
• 1 1/2 c

  bananas (overly ripe, this is a must!)
• 3/4 c

  sour cream (lite sour cream is ok too!)
• 1 1/2 tsp

  vanilla extract