Take small touches across the body approaching the defender.Step over with the same foot faking to defender down the line and explode away. Ensure you are close enough to the defender to give your fake the best chance to succeed.
Drive down the line at pace, fake to cross and do an explosive Cruyff turn. Then a step over turn with the opposite foot keeping the ball safe side with a big touch out after which drive onto the ball and deliver a whipped cross. Practice with both feet.
Drive at the defenders feet at an angle with a laces dribble. Fake inside and then explode out an deliver a cross. Key element is the fake and exploding out giving you the time to whip in that cross.