This creamy Spanish apple tart is a delicious and indulgent dessert that combines the sweetness of apples with a rich and creamy custard filling. The tart has a buttery and flaky crust that perfectly complements the smooth and velvety custard. Topped with thinly sliced apples and a sprinkle of cinnamon, this tart is a showstopper that will impress your guests. Serve it warm with a scoop of vanilla ice cream for a truly decadent treat.