Toffee-peanut Bites

• 4 chocolate cover toffee bars
• 1 egg
• 210 gr all purpose flour
• 110 gr margarine
• 120 ml creamy peanut butter
• 100 gr sugar
• 75 gr brown sugar (light)
• 34 gr peanuts (unsalted)
• 5 gr baking soda
• 4 gr vanilla extract