AUTHENTIC BRIOCHE 1 lb. 2 oz. (4 cups) unbleached all-purpose flour 1/3 cup sugar 1/2 oz. (4-1/2 tsp.) active dry yeast, preferably Red Star brand 1/2 oz. (2 tsp.) salt, plus a pinch for the egg wash 4 large eggs, at room temp + 2 large eggs and 1 large egg yolk for the egg wash 4 oz. (1/2 cup) whole milk, at room temp 8 oz. (1 cup) unsalted butter, cut into 16 pieces, slightly softened; more for the pans