Smear chocolate sauce lightly on the bread and top it with peanut butter, stack.
With either round cutter or simply a knife, cut away brown crust leaving the white sandwich only (my son dislikes the brown crust)
Squirt some chocolate sauce into a ziplock bag and snip the corner with a scissor and make some snail texture on the sandwich as shown on picture
Cut triangles out of cheese and place them on serving plate as petals surrounding chocolate chips. Give green onion as the stalk/branch.
Place banana slice on serving plate and place snail house as shown
Pipe eyes and a smile using chocolate sauce in ziplock bag and press in pretzels as antenna
Spread Kellog's as gravel and dirt