the egg whites. Gently fold in with a spatula. Repeat until all flour mixture is incorporated.
Step 7: Transfer to Pan
Pour batter into the tube pan. Use a knife to swirl through the batter to remove air bubbles.
Step 8: Bake
Bake in a preheated oven at 350°F (175°C) for 35–40 minutes, or until the top is golden brown and springs back when lightly touched.
Step 9: Cool Upside Down
Invert the cake pan immediately onto a cooling rack or bottle. Allow to cool completely (at least