Draw a large, slightly curved trunk
Add a few main branches extending upward
Sketch a wide, rounded canopy shape above the branches
Fill the canopy with clusters of leaf shapes
Add smaller branches inside the canopy
Draw mango fruits hanging from some branches
Add details to the trunk with light bark lines
Refine the leaf edges to make them look natural
Darken the main outlines
Erase extra sketch lines
Add ground or grass at the base if desired