shaved or finely chopped bittersweet chocolate
Preheat oven to 350 degrees Fahrenheit.
In a small bowl,stir together ricotta and yogurt.
Blend in egg white and 1 teaspoon of lemon extract.
Place on a cookie sheet and bake for 10 minutes,until the filling sets.
Meanwhile,gently toss strawberries with 1 teaspoon lemon extract.
Just before serving,spoon 1 tablespoon of the strawberry mixture onto each tart.
Tip:Substitute low-fat ricotta and yogurt.