Teams are in two lines next to the goals. Attackers are allowed to go when previous Attackers shoot. So first you attack and then you defend. It is a fast paced practice so if it takes too long then next attackers wants to start. It could be a competition for example up to five goals or alternatively, until up to three minutes time.

‍

Good drill to practice scoring from the counterattack. There needs to be at least 6 players on side to get this going well.

For Attackers: Run fast and score goals. Player without the ball could run towards the goal if it is 2v2 situation. If it is 2vs1 then just play it as a normal 2vs1.
For defenders: Do everything you could to prevent goal. Run back after attacking as fast as possible.

‍

It is possible to variate goals distance making field smaller or longer.

‍