Prepare the Caramel: In a frying pan, add brown sugar and melted canola butter. Heat until caramelized.
Prepare the Oranges: Peel the oranges and cut them in half.
Caramelize the Oranges: Place the orange halves cut side down in the caramel mixture.
Bake the Oranges: Transfer the pan to the oven and bake at 170°C for 20 minutes.
Make the Syrup: Remove the oranges and boil the released juice until it thickens into syrup.
Prepare the Cake Batter: In a bowl, melt the unsalted butter. In a mixer, beat the eggs and granulated sugar until fluffy.
Combine Ingredients: Gradually add melted butter to the egg mixture, then add orange zest, vanilla, flour, baking powder, and salt. Mix gently.
Assemble the Cake: Pour the batter over the caramelized oranges in the pan.
Bake the Cake: Bake in the oven for 30-35 minutes until cooked through.
Serve: Invert the cake onto a serving tray and serve with ice cream and diosmy leaves.