Polish-Style Blueberry Crumble Cheesecake

I grew up eating my grandma’s blueberry crumble cake and her cheesecake—two desserts that instantly take me back to her cozy kitchen. What I loved most was how different her baked goods tasted from the sweets I’d find anywhere else. They had this uniquely Polish flavor: rich, rustic, and deeply comforting. Her cheesecake, especially, always…