Salty Peanut Butter Cookies - Eatin' mess

Ingredients

• 1 1/2 cups plain flour
• 1 tsp baking soda
• 1/4 tsp salt
• 1/2 cup butter
• 1 cup brown sugar
• 1 egg
• 1/2 tsp vanilla extract/paste
• 1 cup smooth peanut butter
• 1 cup roughly chopped salted peanuts, plus halves for on top
• 12 pieces of dark chocolate, halved