Lower oven to 300.
Beat the cream cheese, sugar and flour on low speed.
Add the sour cream, peanut butter and vanilla extract on low until combined.
Add the eggs one at a time.
Fold in the candies.
Pour the cheesecake batter onto the crust.
Bake 1 hour.
Shut oven off an leave door closed 30 more mins so cheesecake can cool down in the oven.
Remove and chill until cold.