01 -
Beat the egg in a bowl. Stir in the ground almonds, sugar, almond flavoring, and melted butter until everything's mixed well. Pop it in the fridge for later.
02 -
Put your oven rack in the middle and heat to 180°C (350°F). Coat a 23×13-cm (9×5-inch) loaf tin with butter and flour, then set it aside.
03 -
Melt butter in a pan over medium heat. It'll bubble up first. Wait for the bubbling to slow down, then the butter will start turning brown. Give the pan a gentle shake now and then. Once it smells nutty and looks golden, take it off the heat and pour into a small bowl so it doesn't burn. Let it cool down.
04 -
In a big bowl, stir together flour, sugar, baking soda, salt, and cinnamon until they're all mixed up.
05 -
In another bowl, mix eggs, vanilla, and yogurt until smooth. Add the squashed bananas. When the toasted butter's cooled down, stir that in too.
06 -
Pour all the wet stuff into the dry stuff. Fold it together gently, making sure to scrape the bottom for any flour hiding there. Mix just enough to combine everything, but don't overdo it.
07 -
Dump half your batter into the ready tin. Spread half the nutty filling on top. Add the rest of the batter, spreading it flat. Top with the remaining nutty mix and sprinkle with almond slices. Bake for 50-60 minutes until a stick poked in the middle comes out clean.
08 -
Take it out and let it sit in the tin for 15 minutes. Sprinkle with sugar dust, then take it out of the tin and let it cool completely before cutting.