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1
Preheat oven to 350F and grease a 9 inch round cake pan.
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2
Topping: in a small saucepan over medium heat, melt butter, then add sugar and syrup, cook for 3 minutes.
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3
Pour caramel sauce into cake pan to coat.
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4
Sift flour and spices together in a bowl.
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5
In a separate bowl, mix sour cream, baking soda, and mashed banana together.
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6
Set a side and let sit for 3 minutes.
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7
Cream butter and confectioner's sugar with mixer for 5 minutes until light and fluffy.
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8
Add vanilla extract and then eggs one at a time, mixing for 1 min after each egg.
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9
Add flour mixture to butter, mix with a wooden spoon until just combined.
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10
Then add banana mixture, mix well.
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11
Carefully arrange banana slices in cake pan, starting from the outside.
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12
Make sure to overlap the bananas as you go around in a circle, working your way towards the middle.
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13
Carefully pour cake batter into cake pan, smooth the top to spread evenly.
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14
Bake for 45 to 50 minutes until done.
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15
Let cool for 3 minutes before running a knife around the rim to loosen the sides.
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16
Invert cake onto a plate.
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17
Leave for a minute before removing pan.
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18
Pairs nicely with clotted cream, ice cream or with a little sprinkling of sea salt on top of carmel!