Sketch of a spring roll?

First draw the outline of a long spring roll.

Then draw some texture details on top of the spring roll, which will enhance the texture

Then continue drawing two spring rolls underneath.

Then draw a third layer of spring rolls so that the spring rolls are stacked one on top of the other.

Then draw the two bowls that hold the dressing. When drawing the bowls, pay attention to the perspective and the carving of the bottom of the bowls.

Draw some ketchup and other sauces in the bowls. Use small curved lines to bring out the texture of the sauce.

Finally, draw the plate to hold the spring rolls.