Deluxe Chocolate Marshmallow Bars | Reader's Digest Canada

Ingredients

• 3/4 cup butter (softened)
• 1-1/2 cups sugar
• 3 large eggs (room temperature)
• 1 tsp vanilla extract
• 1-1/3 cups all-purpose flour
• 3 tbsp baking cocoa
• 1/2 tsp baking powder
• 1/2 tsp salt
• 1/2 cup chopped nuts (optional)
• 4 cups miniature marshmallows
• 1-1/3 cups semisweet chocolate chips
• 1 cup peanut butter
• 3 tbsp butter
• 2 cups Rice Krispies