Pop your bread slices into the toaster and toast them until they're golden and firm enough to hold toppings without going soggy. I usually go for a medium setting so the edges get crisp but the center stays soft. Let the toast cool for about a minute before adding anything on top.
Using a butter knife or small offset spatula, spread a generous, even layer of peanut butter across each slice. Go all the way to the edges so there's no bare spot showing through. A smoother spread makes it much easier to shape the honey ghost afterward.
Using a small spoon, drop about five small globs of honey onto the peanut butter, spacing them so they roughly form the outline of a ghost. Start with one glob for the head and a few smaller ones trailing down for the wavy bottom edge.
Take your toothpick and gently drag each honey glob outward and downward, connecting them into one flowing shape. Move slowly so the honey blends into a soft, rounded ghost silhouette instead of sharp lines.
Press two black sesame seeds into the top part of your honey ghost to create the eyes. Add a light pinch of flaky salt if you like a sweet-and-salty bite, then serve your toast right away while it's still warm and crisp.