Mud Hen Bars

Ingredients (11)

• 1/2 cup butter,
• 1 cup granulated sugar
• 3 large eggs,
• 1 teaspoon vanilla extract
• 1 1/2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 1/2 cup semi-sweet chocolate chips
• 1 cup mini marshmallows
• 1 cup chopped nuts
• 1 cup light brown sugar