Bake at 300 degrees 60 minutes
Combine oreo crumbs and melted butter
Pat firmly into 9 inch spring form pan or 9 inch pie pan (1 inch up sides)
Beat cream cheese until fluffy
Add condensed milk. Beat until smooth.
Add eggs and vanilla. Mix well.
In small bowl mix 1/2 cup of chocolate chips with 1 tsp flour
Pour into prepared pan
Sprinkle remaining chips evenly over top
Bake one hour at 300 or until cake springs back when touched lightly
Cool to room temperature. Chill
Can freeze leftovers
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