Cream Cheese Fudge

16 ounces cream cheese, softened
2 (1 ounce) squares unsweetened chocolate
1/2 cup sugar substitute (Splenda)
1 teaspoon vanilla extract
1/2 cup chopped pecans

In a small mixing bowl, beat the cream cheese, chocolate, sweetener and vanilla extract until smooth. Stir in pecans. Pour into 8-inch square baking pan lined with foil. Cover and refrigerate overnight.