Nigella Lawson'S Chocolate Banana Cake

• vegetable oil cooking spray for cake pan
• 3/4 cup butter
• 1 tablespoon olive oil
• 1 3/4 cups flour
• 2 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/4 cup cocoa best-quality
• 1 cup sugar
• 2/3 cup sour cream
• 1 1/2 cups mashed banana about 4 whole bananas
• 1 tablespoon vanilla extract
• 3 large eggs
• salt
• 1/2 cup heavy cream
• 4 ounces semisweet chocolate finely chopped
• 2 tablespoons light corn syrup
• sprinkles Yellow, optional

1. Heat oven to 325 degrees. Oil or spray a 9-inch springform cake pan and set aside. In a large saucepan over low heat, melt butter with olive oil. Remove pan from heat.
2. Add flour, baking powder, baking soda, cocoa and sugar. Mix well. Add sour cream and mashed banana, and whisk to combine. In a small bowl or pitcher, whisk together vanilla extract, eggs and salt. Add to saucepan and whisk until smooth. Pour into cake pan.
3. Bake until a cake tester inserted into center comes out clean, about 45 minutes. Allow cake to cool on a rack for about 15 minutes, then remove springform and allow cake to cool completely before icing.

vegetable oil cooking spray, butter, olive oil, flour, baking powder, baking soda, cocoa best, sugar, sour cream, banana, vanilla, eggs, salt, heavy cream, chocolate, light corn syrup, sprinkles

Taken from www.yummly.com/recipe/Nigella-Lawson_s-Chocolate-Banana-Cake-1665705 (may not work)