- Preheat oven to 350 degrees.
- Butter and flour a 10-inch round cake pan.
- Melt the 7 ounces chocolate and the butter in a double boiler (or in a bowl or smaller saucepan placed over a bigger saucepan of gently boiling water).
- Stir until chocolate is melted and mixture is smooth.
- Set aside.
- In a large bowl, beat egg yolks with your Somersize Electronic Mixer until light and fluffy, about 5 minutes.
- Slowly add SomerSweet and continue to beat until mixture is pale yellow.
- Fold in the chocolate mixture.
- Sift flour over the top and beat just until it disappears.
- Set aside.
- In a separate bowl, whisk the egg whites until soft peaks form.
- Fold half of the egg whites into the chocolate mixture.
- Gently fold in the remaining half.
- Pour batter into prepared pan.
- Tap pan a few times on counter to remove air bubbles.
- Bake for 20-25 minutes or until a toothpick inserted into the center comes out clean.
