CRUST:

Set oven at 400 degrees. Combine 1 cup all-purpose flour with 1 teaspoon pure vanilla in mixing bowl. Cut in 1/2 cup butter until fine. Press into bottom of 9x9x2 inch pan. Bake at 400 degrees for 12 to 15 minutes. Cool.

CHOCOLATE VANILLA FILLING:

Melt 1 (6 oz.) package (1 cup) chocolate chips over hot water; cool.

Combine in 2-quart saucepan.

1/3 c. sugar
1/4 tsp. salt
1 env. unflavored gelatin

Add:

3/4 c. milk
2 slightly beaten egg yolks

Cook, stirring constantly, until mixture boils. Remove from heat. Blend in:

1 (8 oz.) pkg. cream cheese
1 tsp. pure vanilla

Beat until smooth. Cool. Beat 2 egg whites until mounds form. Gradually add 1/4 cup sugar; beat until stiff. Fold into cheese mixture. Beat 1 cup whipping cream until thick. Fold into cheese mixture. Divide in half. Fold melted chocolate into one part. Spoon over baked crust. Spoon vanilla filling over chocolate. Cover; chill at least 2 hours.