Mint Chocolate Chews

• 1 egg
• 220 gr all purpose flour
• 200 gr sugar
• 110 gr blue bonnet margarine
• 80 ml buttermilk
• 60 gr walnuts
• 4 gr vanilla extract
• 2 gr baking soda
• 1 gr salt
• 3 packages pep-o-mint life savers