1. What is the main ingredient in borscht?

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

3. What nut is used in pesto sauce?

4. Why did the Earl of Sandwich want his food served between slices of bread?

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

6. Which famous cereal inventor patented a version of peanut butter in 1895?

7. What item melted in Percy Spencer's pocket, leading to the invention of the microwave?

8. Which ancient civilization used cacao beans as a form of currency?

9. Botanically, a banana is classified as which of the following?

10. What natural dye is often added to Cheddar cheese to give it an orange color?

11. What material was used for the very first tea bag samples?

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

13. The word 'salary' is derived from the Latin word for which everyday food?

14. What was the primary religious or moral purpose behind the invention of the Graham cracker?

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

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

17. Which two components are required for the Maillard reaction to occur?

18. At which historic event did the edible ice cream cone become a major trend?

19. Which mineral makes bananas naturally radioactive?

20. Mace is a spice that is derived from which other spice plant?