Mix crust ingredients and press into springform pan. Bake at 325°F for 10 minutes, then cool. Wrap pan for water bath.
Beat cream cheese, sugar, and flour until smooth. Add sour cream, vanilla, and cake batter flavoring. Add eggs one by one, then fold in sprinkles.
Pour into crust. Bake in water bath at 300°F for 1 hour 20–25 minutes until center is slightly jiggly. Cool slowly in oven, then chill for 5–6 hours or overnight.
Whip cream, powdered sugar, and vanilla until stiff peaks form. Pipe on chilled cheesecake and add sprinkles.
Slice and serve cold.