This Orange Sponge Cake recipe captures the bright, citrusy freshness of oranges in a light and airy sponge. A popular cake style from mid-20th-century kitchens, it combines simple ingredients with vibrant orange zest and juice, making it perfect for tea time or a light dessert. The subtle sweetness, delicate texture, and refreshing glaze make it a delightful treat for any occasion, especially in spring and summer.