DELICIOUS BERRY GRATIN WITH CHAMPAGNE SABAYON

1-2 c. fresh mixed berries (strawberry, blueberry, raspberry)
3 T. sparkling wine
2 T. super fine sugar (sometimes known as caster sugar)
3 egg yolks
Zest of 1 lemon
1. Turn oven to broil with rack 6” from heat.
2. Mix the berries and then arrange them in individual gratin dishes and set on a baking sheet.
3. Put wine, sugar and yolks in a large glass bowl.
4. Whisk to mix.
5. Set the bowl over a saucepan partly filled with hot, but not simmering water.
6. Do not let bottom of bowl touch the water beneath.
7. Whisk until mixture is frothy, pale and ribbony, 5-8 minutes.
8. Remove bowl from saucepan.
9. Whisk in zest and keep whisking a minute or two to cool slightly.
10. Spoon the sabayon over the berries and place under broiler until sabayon is bubbly and golden, about 2 minutes.
11. Place gratin dishes on plates and serve immediately.