Bizcocho de chocolate y naranja
Greek yogurt (about 500 grams) • sunflower oil (use the empty yogurt cup to measure, about 240 ml) • sugar (use the empty yogurt cup to measure, about 400 grams) • all-purpose flour (use the empty yogurt cup to measure, about 375 grams) • baking powder (about 2 tablespoons or 28 grams) • large eggs • Zest of 1 orange • unsweetened cocoa powder