Final answer:
The passage's structure is Problem & Solution, addressing the issues of cooking pizza at home and recommending using a pizza stone to achieve a crispy crust.
Step-by-step explanation:
The passage provided presents a common problem encountered when cooking pizza at home and offers a solution to that problem. When analyzing the structure of the passage, it clearly falls into the Problem & Solution category. The problem is described as the difficulty in achieving the perfect temperature in a conventional oven to cook pizza, which could result in either a burned or soggy crust. The solution given is the use of a pizza stone, which helps in evenly cooking the crust without burning it, allowing for a well-cooked pizza with a crispy crust.