easy butterscotch brownies

Ingredients For easy butterscotch brownies

• 1/2 c

  butter, melted
• 2 c

  packed brown sugar, dark
• 2 lg

  eggs
• 1 1/2 c

  flour
• 1 pkg

  butterscotch chips
• 2 tsp

  baking powder
• 1 tsp

  vanilla extract
• 1/2 c

  chopped walnuts