1. Tomato

Is a tomato a fruit or a vegetable? To find out, Waffles and Mochi try pasta with tomato "candy," yummy pizza and a cold soup called gazpacho.

2. Salt

Salt can make our taste buds sing — but too much of it on top of Mrs. O's favorite cookies is a terrible thing! Turns out a little bit goes a long way.

3. Potato

With potato sales plummeting at the market, Waffles and Mochi take to the skies to learn about spuds and the delicious things you can do with them.

4. Pickles

Waffles dropped the store's last jar of pickles and needs to replace it... fast! But pickling is a process that, like all good things, takes time.

5. Rice

Waffles helps Mochi trace his family tree to find out where he came from, only to discover a surprising ancestor — rice — with a fascinating history.

6. Egg

Mrs. O sends Waffles and Mochi on an epic hunt around the world to find four different kinds of eggs for her friend, a famous chef. Time to get cracking!

8. Corn

A cooking contest challenges Waffles and Mochi to make the tastiest corn dish they can. But to win, they'll need to do some serious research.

9. Mushroom

Waffles and Mochi face their fears on a mission to find more mushrooms for the store by talking to experts who are putting the "fun" in fungi.

10. Water

A special dinner to say thank you to all the friends they've made sends Waffles and Mochi in search of water — the world's most important ingredient.