1. Prepare the Challah Bread: Creating Thick Slices

1. Slice Bread: Using a serrated bread knife, slice the loaf of challah bread into thick slices, about 1 inch thick.
   • Tip: If the loaf is very fresh and soft, you can let it sit out for a few hours, or even overnight, to firm up slightly. This will help it hold its shape better when dipped in the custard.

2. Whisk the Custard: Combining the Wet Ingredients

1. Combine Ingredients: In a medium bowl, whisk together the milk, eggs, cinnamon, vanilla extract, and granulated sugar until well combined and the sugar is dissolved.
   • Tip: Make sure the eggs are thoroughly beaten for a smooth custard.

3. Soak the Bread: Infusing with Flavor

1. Dip Bread: Dunk each slice of challah bread into the custard mixture, ensuring both sides are coated.
2. Soak Briefly: Allow the bread to soak for about 30 seconds, turning it over halfway through to ensure even absorption.
   • Tip: Don’t soak the bread for too long, or it will become soggy and fall apart. The goal is to moisten the bread without making it overly saturated.

4. Cook the Waffles: Achieving Crispy Edges and a Tender Interior

1. Preheat Waffle Iron: Preheat your waffle iron to a medium setting.
2. Add Bread to Waffle Iron: Once the waffle iron is hot, carefully lift the soaked bread slices out of the custard mixture, allowing any excess to drip off. Place a slice in your preheated waffle iron.
   • Tip: The amount you need to add will depend on the size of your waffle iron.
3. Cook: Cook according to your waffle iron’s instructions, typically about 2-4 minutes per waffle, or until the waffle is golden brown and cooked through.
   • Tip: If your waffle iron has indicator lights, follow the manufacturer’s instructions for doneness.
4. Repeat: Repeat the cooking process with the remaining bread slices.

5. Keep Waffles Crisp (Optional): Maintaining Texture

1. Place on Wire Rack: If desired, place the cooked waffles on a wire rack in a single layer. This allows air to circulate around the waffles, helping them stay crispy.

6. Serve and Enjoy: The Finishing Touches

1. Serve Warm: Serve the French Toast Waffles immediately while they’re warm and crispy.
2. Add Toppings: Top with melted butter, a generous drizzle of maple syrup, and any other desired toppings, such as fresh fruit, whipped cream, or powdered sugar.