Preheat oven 325 and line a 9x13 pan with nonstick foil.
Mix the brownie mix, butter and egg and press into the pan.
In a mixer, beat the cream cheese and sugar.
Add one egg at a time.
Add vanilla and sour cream.
Pour onto the crust.
Use jus half the can to add cherry dollops across the top.
Use a knife and swirl cherries into the cheesecake gently.
Bake 27-30 mins.
Chill a few hours and cut.
Serve with the rest of the cherries.
Add a chocolate drizzle, if desired.