Barefoot Contessa | Homemade Challah with Saffron | Recipes

Ingredients

• 1 cup warm (115 to 120 degrees) water
• 2 (1⁄4-ounce) packages active dry yeast
• ½ cup sugar
• 1/4 teaspoon saffron threads
• 3 extra-large eggs, at room temperature
• 1 extra-large egg yolk, at room temperature
• 5½ to 6 cups all-purpose flour
• 1 tablespoon kosher salt
• ¼ pound (1 stick) unsalted butter, diced, at room temperature