1. What type of bean is used to make chocolate?

2. What is the most expensive spice in the world by weight?

3. What type of cheese is traditionally used for pizza?

4. What primarily determines the color of a chicken's eggshell?

5. What color were most carrots before the 16th century?

6. The original 'ke-tsiap' from China was primarily made of what?

7. The cell walls of mushrooms are made of which substance?

8. What substance is formed when onion gas reacts with the water in your eyes?

9. In which city was the first hot dog stand opened in the United States?

10. What substance in egg yolks acts as the emulsifier in mayonnaise?

11. Why did railway companies prefer square 'Pullman' loaves over rounded ones?

12. What meat was featured in the very first Swanson TV Dinner?

13. Why is milk more effective than water at cooling the burn of spicy food?

14. Who is the 'sandwich' named after?

15. The Margherita pizza was designed to represent the colors of which country's flag?

16. The original 'ketchup' from China was primarily made from what ingredient?

17. Fortune cookies were inspired by a traditional snack from which country?

18. Which prehistoric animal is believed to have been the original primary consumer of avocados?

19. What two factors cause an omelet to rise and become fluffy during cooking?

20. What ingredient is responsible for the stretchy texture in bread dough?