Preheat the oven to 350F (180C), and grease one nine-inch springform pan.
Peel, core, and slice the apples (500g) into 1/4-inch wedges.
I recommend using Granny Smith (tart), Apple Crisp (tart and sweet), Golden Delicious (sweet), or a combination of 2, or all three.
Toss the apple slices with the lemon zest, juice, and one tablespoon of sugar (15g), and set aside.
In a medium bowl, mix the flour (240g)and baking powder (2 teaspoons). In a separate bowl, combine the milk (120 ml), melted butter (113 g), olive oil (120 ml), and vanilla (1 teaspoon).
In a large bowl or a bowl of a stand mixer, beat the rest of the sugar (285g) and eggs (2) until light and pale yellow.
Pour in the wet ingredients and mix to incorporate.
Sprinkle the dry ingredients and mix to incorporate.
Fold about 2/3 of the apple slices into the batter.
Pour the batter into the prepared pan and arrange the rest of the apple slices over the top of the cake.
Pour any liquids from the apples over the cake and bake for 55-65 minutes.The cake is ready when a toothpick comes out from the center of the cake with a few moist crumbs.
Allow the cake to cook in the pan before inverting it to your serving plate.
Dust with powdered sugar and serve.
Notes
Store the cake at room temperature, covered for up to five days.
To freeze, gently wrap the cake with plastic wrap, place it in a plastic bag, and freeze for up to six weeks. Remove the plastic wrap before allowing it to defrost.
The top apples are optional. You can skip them and bake the cake in an eight—or nine-inch bundt pan.
Make sure all of the ingredients are at room temperature for best results.
Add two teaspoons of cinnamon or 1/2 teaspoon of cardamom to the apple mixture for more flavor.
The best apples for this cake are Granny Smith, Golden Delicious, Red Delicious, Pink Lady apples, Royal Gala, and Fuji, or a combination of them.