What is the smell of burnt sugar?

The smell of burnt sugar is often described as a combination of sweet and acrid, reminiscent of caramel but with a charred, almost bitter undertone. It can evoke a sense of nostalgia for caramelized desserts while also signaling that something has gone too far in the cooking process. This distinctive aroma can be both enticing and off-putting, depending on its intensity. Overall, it's a complex scent that captures the essence of sugar's transformation when exposed to high heat.