Answer:
While the chef is stretching the pasta, the pot in which the frogs are cooking is sizzling.
The cook will toss the pasta strand into the air after he is finished stretching it.
Even though the chef remembered to wash his hands, he didn't put on a face mask before he started cooking.
Step-by-step explanation:
A complex sentence contains (at least) one dependent clause and one independent clause.
The highlights denote the dependent clauses.