Olive Oil Brownies With Sea Salt

INGREDIENTS

tablespoons/90 milliliters mild extra-virgin olive oil, plus more for greasing pan

cup/130 grams all-purpose flour

3/4 tsp

kosher salt

1/4 tsp

baking powder

1/4

cup/25 grams Dutch-processed cocoa powder

1/4

cup/60 milliliters boiling water

ounces/90 milliliters melted unsweetened chocolate

large egg, at room temperature

1 tbsp

vanilla extract

3/4

cup/165 grams packed dark brown sugar

1/3

cup/65 grams granulated sugar

1/2

cup/90 grams mini or regular chocolate chips

Flaky sea salt, such as Maldon, as needed