6 to 8 grape leaves (sold in a jar), drained, rinsed and patted dry
1 3/4-to-1-pound round piece goat cheese, at room temperature (or 2 smaller pieces, stacked)
1/4 cup extra-virgin olive oil, plus more for brushing
2 sprigs fresh rosemary
Pinch of red pepper flakes
Kosher salt
Crusty bread, for serving