Chocolate Apple Bread

• 4 eggs
• 500 gr all purpose flour
• 400 gr coarsely apples (chopped)
• 400 gr sugar
• 350 gr semi-sweet chocolate chips
• 230 gr butter
• 180 gr walnuts (chopped)
• 60 ml buttermilk
• 9 gr vanilla extract
• 5 gr baking powder