In a large empty jar with a lid combine the eggs, sugar, vanilla extract, cinnamon and milk. Close the jar with the lid and make sure the lid is on well. Shake the contents until well blended...1-2 minutes. Then pour the contents into a large bowl.
Pre heat a large saucepan on medium low heat. Before adding toast melt a slice of butter.
In the bowl of mixed ingredients dip a slice of bread covering both sides of the with the mixture. Place in the heated pan. A large saucepan should cook 4 slices at a time. Cook each side until brown...approximately 1-2 minute each side.
While bread is still warm take 2 slices and spread desired amount of peanut butter and jelly on the inside on the slices. Close the sandwich and top with desired amount of syrup.
Finally, enjoy your yummy in the tummy french toast sandwich.