Easy Chocolate Lover's Cheese Pie

3 packages (8oz) cream cheese, softened
3/4 cup sugar
3 eggs
1 tsp. vanilla extract
2 cups (12 oz) mini chocolate chips, divided
1 extra serving size graham cracker crust
2 Tbsp, whipping cream

1. Heat oven to 450
2. Beat cream cheese and sugar in large bowl with mixer until well blended. Add eggs and vanilla; beat well. Stir in about 1 2/3 cups chocolate chips, pour into crust.
3. Bake 10 minutes. Without opening oven door, reduce temperature to 250; continue baking 30 minutes or just until set. Remove from wire rack. Cool completely. Cover; refrigerate until thorougly chilled
4. Ganache. Place remaining 1/3 chocolate chips and whipping cream in small microwave safe bowl. Microwave on HIGH 20 to 30 seconds or just until the chocolate chips are melted and mixture is smooth when stirred. Cool slightly; spread over top of cheese pie. refrigerate 15 minutes or until topping is set.