Peanut Butter Cookies, a recipe from Gourmetpedia

Ingredients

• 310 ml (1 1/4 cup) flour
• 1/2 tsp. baking soda
• 1/2 tsp. baking powder
• A pinch of salt
• 180 ml (3/4 cup) Peanut butter
• 125 ml (1/2 cup) butter
• 125 ml (1/2 cup) brown sugar
• 125 ml (1/2 cup) sugar
• 1 egg