In a large bowl add yolks, milk, evaporated milk, 3/4 can condensed milk, sugar, vanilla and salt. Whisk until smooth. Add the bread. Gently fold the bread until it is all completely covered in the milk mixture. Add to a greased baking dish.
1 loaf brioche bread, 7 egg yolks, 1 (14 ounce) can sweetened condened milk (divided), 1 (12 ounce) can evaporated milk, 1/2 cup granulated sugar, 1 Tablespoon vanilla extract, 1 teaspoon sea salt, 1 cup whole milk