Chocolate Peanut Butter Cheesecake Bites

Digestive biscuits or graham crackers, crushed

or 1 stick) unsalted butter

(2 and 1/2 cups) full fat cream cheese, room temperature

caster sugar

vanilla extract

large eggs, room temperature

Greek-style full fat yoghurt, room temperature

smooth peanut butter

(1 and 1/3 cup) good quality dark chocolate

vegetable oil