Ingredients

• 4 eggs
• 1 filling
• 450 gr sugar
• 325 gr all purpose flour
• 240 gr semisweet chocolate chips
• 240 ml vegetable oil
• 150 gr walnuts (chopped)
• 110 gr butter
• 110 gr packed brown sugar
• 45 gr baking cocoa
• 30 ml milk
• 14 gr vanilla extract
• 12 gr shortening
• 1 gr salt