Upside Down Onion Tart Recipe
This upside down onion tart is my go-to when I want a dinner that looks stunning but feels like a warm hug, with sweet, jammy caramelized onions forming a gorgeous golden crust. The secret is letting the onions slowly melt into buttery, savory-sweet perfection, creating a rich flavor that makes this simple tart an unforgettable centerpiece.

