Draw a slice of bread as a rounded rectangle
Draw a second slice of bread slightly offset above or below the first
Add filling shapes between the bread slices
Draw lettuce with wavy edges
Draw tomato slices as circles with inner lines
Draw cheese as a triangle or melted layer
Draw meat or other fillings as layered ovals or strips
Add small details like seeds, texture, or crust lines
Outline the sandwich clearly
Erase extra guide lines
Add simple shading if desired