Preheat oven to 350°F. Sift flour and 1/2 cup sugar three times.
Beat egg whites until foamy; add cream of tartar and salt. Gradually add 1 cup sugar, beating to stiff peaks. Add extracts. Taste the batter and adjust sweetness.
Fold in the flour mixture in three additions. Spoon into an ungreased 10-inch tube pan.
Bake for 35–40 minutes. Invert to cool for 1 hour. Release the cake.
Serve on a white ceramic cake stand with berries, sugar, cream, and tea.
Notes
Use cake flour for the best texture.
Store at room temperature for 2 days or freeze for 3 months.