Filled with peanuty goodness.
Place margarine , peanut butter ,sugars and eggs in mixing bowl and beat all together until thoroughly combined.
Add flour, baking powder ,bicarbonate of soda and salt, stirring in with a fork to form soft dough.
Roll dough into small balls the size of small walnuts. and place well apart on greased baking sheets.
Use a fork to press down and form a criss-cross pattern on each cookie. Sprinkle on tops with granulated sugar.
Bake until risen and lightly brown.
Cool on wire rack.