Chocolate Turtle Cheesecake

7 oz package caramels
1/4 cup evaporated milk
3/4 cup chopped pecans, divided
9 inch chocolate crumb piecrust
2 (3 oz) packages cream cheese, softened
1/2 cup sour cream
1 1/4 cups milk
1 (3.9 oz) package chocolate instant puddin gmix
1/2 cup fudge topping (or caramel topping)

Place caramels and evaporated milk in a heavy saucepan. Heat over medium-low heat, stirring continually until smooth, about 5 minutes. Stir in 1/2 cup chopped pecans. Pour into piecrust.

Combine cream cheese, sour cream and milk in a blender. Process until smooth. Add pudding mix; process for aobut 30 seconds longer.

Pour pudding mixture over caramel layer, covering evenly. Chilll, loosely covered until set, about 15 minutes.

Drizzle fudge topping over puding layer in a decorateive pattern. Sprinkle top of cake with remaining pecans. Chill, loosely covered, until serving time.