You will need: 1/2 cup of unsalted butter, two eggs, 1/2 cup of sour cream or Greek yogurt, 1.5 cups of flour, 2 teaspoons of vanilla, a dash of salt, one 1/4 cup of mashed overripe bananas, 1/4 cup unsweetened cocoa powder, 1 teaspoon of baking soda

Instructions:

• In the mixers bowl add the butter and the sugar
• Cream the butter and sugar together until creamy and fluffy
• Add the eggs and vanilla. Continue mixing until everything is well combined and smooth, then turn off the mixer
• Now mash the bananas on the plate, then add the mashed bananas to the mixers bowl
• Mix mashed bananas in with a spatula
• Now add all the dry ingredients to the mixers bowl
• Add the flour, then the baking soda, add the salt
• Mix the dry ingredients in until just combined
• Next add yogurt or sour cream and mix it in until it is well incorporated into the batter
• Transfer 1/2 the batter into another bowl and add cocoa powder to it
• Stir the cocoa powder in, until it is well combined and no dry spots appear
• Into a greased pan, scoop out and dollop alternating white and chocolate batter
• Using a butter knife, gently swirl the top
• Then add a whole Tolberone bar in the middle
• Dollop more batter on top of the bar and then swirl on the top
• I also took some of the white batter, scooped it out into muffin tins and topped it with Tobler own pieces
• Now it is time to place all pans/tins into the oven
• Bake on 350°F until the cake tester inserted into the center comes out clean
• Baking time will vary according to the baking pan size. It took about 55 minutes for the two bigger loaves to bake and 15 minutes for the muffins
• Enjoy!

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