Chocolate Chip Cheesecake

1-1/2 cups Oreo cookie crumbs

3 tablespoons melted butter

3 packages cream cheese, softened

1 can sweetened condensed milk (such as Eagle brand)

3 eggs

2 tablespoons vanilla

1 cup chocolate chips

1 teaspoon flour

Topping:

1 cup sour cream

2 tablespoons brown sugar

Preheat oven to 300*. Combine cookie crumbs & butter, press firmly onto the bottom of a 9 inch springform pan. In a large mixing bowl beat cream cheese until fluffy, beat in sweetened condensed milk, eggs & vanilla. In a small bowl toss 1/2 cup of the chocolate chips with the flour, stir into the cheesecake mixture. Pour into the prepared pan. Sprinkle remaining chips on top. Bake 1 hour, cool & chill. For topping; beat one cup sour cream & 2 tbl. brown sugar, pour over the cake, bake for an additional 10 minutes. Drip melted semi-sweet chocolate over the top.