1/4 cup
extra-virgin olive oil, plus more for cooking the toasts
1 1/2 teaspoons
black mustard seeds
3 sprigs
fresh curry leaves, stripped (24 to 30 leaves)
1 cup
low-fat plain Greek yogurt
1/2
medium red onion, finely diced
1/2 cup
finely chopped fresh cilantro (stems and leaves)
2
small Indian green chiles or serrano chiles, finely chopped
1 teaspoon
kosher salt, plus more to taste
1/2 teaspoon
freshly ground black pepper, plus more to tste
1 pinch
red chile powder (like cayenne), plus more to taste
12
large slices white sourdough bread