If your For You page has been dotted with mini sprinkle-topped cakes — not cupcakes, but kind of? — you’re not alone. They’re called Dotcakes and consist of layers of cake, frosting and a heaping topping of crunchy nonpareils. They’re from Roslyn, New York, bakery The Dotcakes, which was founded in 2019 by Alex Posner, and come in four flavors: classic white, chocolate, vanilla chip and red velvet. Recently, videos about the mini versions of the…