1. In a mixing bowl, whisk eggs and cinnamon until fully combined. Coat the bread in the egg mixture and let it sit for 2 minutes.
2. Grease a fry pan on medium-high heat with butter, and cook the bread for 2 minutes on each or until golden brown. Repeat for remaining bread.
3. In a separate pan make the banana fosters topping. Combine brown sugar, maple syrup, and butter into a pan on low heat (about 2 minutes). Mix in the rum, bananas, and walnuts. Let the mixture cook for 1 minute.
4. Pour over French Toast and serve immediately.