Sweet Challah

Ingredients

• 1½ cups all-purpose flour
• ¼ teaspoon dry active yeast
• 1 cup room temperature water
• 5½ cups plus 1 tablespoon all-purpose flour
• 2 tablespoons active dry yeast
• Dough starter
• 2 eggs
• 5 tablespoons sugar
• 4 tablespoons olive oil + more for greasing
• 1 1¼ cups water
• 1 tablespoon kosher salt
• 4 quinces, peeled, cored and sliced into 12 wedges lengthwise each
• ¾ cup sugar
• 4 cardamom pods
• 1 cinnamon stick
• 1 egg
• ½ teaspoon water
• 1 cup sesame seeds