1 1/2 c. crushed oreos, about 18
1/4 c. melted butter
2 8 oz. pkg. cream cheese, room temperature
1 14 oz. can condensed milk, not evaporated
3 eggs
2 tsp. vanilla
1 c. mini chocolate chips

Preheat oven to 300°F. Combine crumbs and butter; pat firmly on bottom of 9 inch pan. In large bowl, beat cream cheese until fluffy. Add condensed milk, beat until smooth. Add eggs and vanilla, mix well. Fold in chocolate chips; pour into pan.

Bake for about 1 hour. Cool to room temperature. Chill.