01 -
Set your oven to 350 ℉. Prepare an 8 or 9-inch springform pan (or any round cake tin) by lining and greasing it before starting.
02 -
In a big bowl, use a whisk or handheld mixer to beat the sugar and yolks until they get fluffy. Toss in the orange zest, juice, oil, and almond flavoring. Whisk it all together until everything's smooth.
03 -
Mix almond flour and baking powder into the wet mixture. Keep stirring until there are no lumps left and it's nice and smooth.
04 -
In a spotless and dry bowl, whip the whites until they're forming stiff peaks. Fold them gently into your batter without knocking out the fluffiness. Pro tip: Any grease or yolks in your whites will stop them from whipping up.
05 -
Pour the mixture into your greased pan and even out the top. Scatter the almond slices over the batter. Bake for 40 minutes, or until the cake looks golden, and a toothpick comes out with just a crumb or two.
06 -
Leave it in the pan for about 10 minutes to cool down. For regular cake pans, flip it out onto a wire rack, then flip it back onto a plate to make it right-side up. dust some powdered sugar over the top as a finishing touch before digging in!