Butter Sponge Cake

• whole eggs↗4
• egg yolks↗4
• granulated sugar↗1 cup
• unsalted butter, melted and cooled↗1 cup
• vanilla extract↗1 teaspoon
• grated fresh lemon rind↗1 teaspoon
• sifted all-purpose flour1 1⁄2 cups
• sifted cornstarch2 tablespoons
• ground mace1⁄8 teaspoon

Step-by-step instructions

1. 1

   Set oven at 350 degrees.

2. 2

   Grease & flour a 9" tube pan or a long, narrow bread pan.

3. 3

   Add vanilla & lemon rind to butter.

4. 4

   Combine eggs, egg yolks & sugar in large mixing bowl. Beat for one minute. Set bowl over half-filled pan of hot water but do not let bowl touch water.

5. 5

   Place pan over low heat until contents of bowl are lukewarm, stirring occasionally to prevent eggs from cooking on bottom.

6. 6

   Remove bowl from pan & beat mixture until cool & triple in bulk.

7. 7

   Sprinkle flour, cornstarch & mace on top of egg mixture & fold in gently.

8. 8

   Add butter mixture gradually & fold only till no streaks of butter show.

9. 9

   Pour into pan. Bake about 40 minutes or until golden brown.

10. 10

    Remove from pan immediately.

11. 11

    Allow to cool completely before slicing.