Father Dominic's Challah

Ingredients

• 2 packages Fleischmann's Active Dry Yeast
• 1 cup lukewarm water
• 1 tablespoon granulated sugar
• 6 to 7-1/2 cups bread flour, divided
• 1-1/2 cups lukewarm water
• 3/4 cup vegetable oil
• 3 eggs, beaten
• 1/2 cup granulated sugar
• 1 teaspoon salt
• 1 teaspoon ground cinnamon
• 1 tablespoon vanilla extract
• 1 egg, beaten, for glaze