🍫🥜🤎 Yummy Easy Chocolate Peanut Butter Dessert Bars

Ingredients

  • 1 cup all-purpose flour
  • 1/2 cup unsalted butter, melted
  • 3/4 cup brown sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1/2 cup creamy peanut butter
  • 1 cup chocolate chips
  • 1/4 cup chopped peanuts (optional)