Whisk Together Milk, Eggs, Peanut Butter, Sugar, Vanilla Extract, And Cinnamon In A Large Bowl. Heat The Oil In A Griddle Or Frying Pan Over Medium Heat. Dunk Each Slice Of Bread In Egg Mixture, Soaking Both Sides. Place In Pan, And Cook On Both Sides Until Golden, About 3 To 4 Minutes Per Side. Serve Hot.