Nana Keele's Carrot Cake

• 3 eggs
• 600 gr sugar
• 375 gr flour
• 350 ml vegetable oil
• 260 gr carrots (grated)
• 120 ml buttermilk
• 65 gr nuts (chopped)
• 55 gr butter
• 22 gr karo syrup
• 12 ml soda