Preheat your oven to 350°F/180°C
Line two 8 inch/20cm round cake pans with parchment on the bottom and grease sides, set aside. For a single layer cake 1 large 10”/25cm round cake pan.
In a large mixing bowl whisk together the olive oil, sugar, eggs, and vanilla, until smooth.
1 c mild and fruity extra virgin olive oil, 1 c brown sugar, 3 eggs, 1 tbs vanilla extract or vanilla bean paste
Add the grated carrot, parsnip, and spices, and mix well. Then add sour cream and vinegar, mix well.
1¼ c grated carrot, 1¼ c parsnip, 1 teaspoon ground cinnamon, ½ teaspoon ground nutmeg, ½ teaspoon ground allspice, ¼ teaspoon ground cloves or cardamom, 1 teaspoon apple cider vinegar or lemon juice, ¾ c greek yogurt
Next, fold in the flour, baking powder, baking soda, and walnuts.
2 cup unbleached ap flour, 1 teaspoon baking powder, ½ teaspoon baking soda, ¾ c roasted walnuts – optional
Now pour the cake batter evenly into the two 8”/20cm round cake pans, about 24oz/680g each pan without walnut or 25oz/728g with walnuts. Or, divide among four 6” pans with 340g of cake batter each pan.
Bake at 350°F /180°C for 45 minutes for 8” pans. Bake 25 minutes for 6” pans, makes four small cakes.
Remove from the oven and allow to cool completely.