INGREDIENTS
2
medium sweet potatoes
3/4 cup
extra-virgin olive oil, plus more for brushing (optional)
1 1/2 cups
whole-wheat flour
1 1/2 tsp
baking powder
1/2 tsp
baking soda
2 tsp
ground cinnamon
1/2 tsp
kosher salt
3/4 cup
sugar
3
large eggs, room temperature
5 oz
bittersweet chocolate (60 percent cacao), coarsely chopped (1 cup)