5 squares BAKER'S Semi-Sweet Baking Chocolate, divided
6 Tbsp. butter or margarine
3/4 cup sugar
1 tsp. vanilla
2 eggs
1-1/4 cups flour, divided
1/2 tsp. baking soda
3/4 cup water
1-1/2 cups thawed COOL WHIP Strawberry Whipped Topping
1 cup sliced strawberries
PREHEAT oven to 350°F. Place 3 of the chocolate squares and the butter in large microwaveable bowl. Microwave on HIGH 2 min. or until butter is melted. Stir until chocolate is completely melted.
STIR in sugar and vanilla until well blended. Add eggs, 1 at a time, beating with electric mixer on low speed after each addition until well blended. Add 1/4 cup of the flour and the baking soda; mix well. Add remaining 1 cup flour alternately with the water, beating until well blended after each addition. Pour evenly into 9-inch round cake pan sprayed with cooking spray.
BAKE 30 min. or until toothpick inserted in center comes out clean. Cool 10 min.; remove from pan. Cool completely on wire rack. Top with the whipped topping and strawberries just before serving. Melt remaining 2 chocolate squares as directed on pkg.; drizzle over cake. Let stand until chocolate is set. Store leftover cake in refrigerator.