01 -
Begin by heating your oven to 350°F. Take a moment to line your 8x10-inch baking pan with parchment paper, leaving some overhang for easy removal later.
02 -
In a large bowl, beat the softened butter and sugar together until light and fluffy - this should take about 3-4 minutes. Mix in the vanilla, then gradually incorporate the eggs one at a time, followed by the flour and milk until just combined.
03 -
Gently fold in the fresh orange zest until evenly distributed throughout your batter. Pour the mixture into your prepared pan, making sure to spread it evenly into the corners.
04 -
Slide your cake into the preheated oven and bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Let it cool completely before moving on to the next step.
05 -
Once cooled, whisk together the powdered sugar and orange juice until smooth. Pour this gloriously citrusy icing over your cake, spreading it evenly. Finish with a generous sprinkle of fresh orange zest and allow the icing to set completely before cutting into squares.