The Yellow Fruit Encyclopedia
Like Duolingo, but for The Yellow Fruit Encyclopedia. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android

Key ideas in The Yellow Fruit Encyclopedia
- The peel color indicates the internal sugar concentration
- Plantains have high starch levels that don't fully turn to sugar
- Heat is needed to break down tough starches into soft textures
- Starches convert to sugars as the fruit ages
- High sugar content causes fruit to turn to mush when heated
- Starchy fruits like plantains maintain their physical shape during frying
- Bananas release a gas that signals other fruits to ripen
- Trapping this gas in a paper bag accelerates the ripening process
- Why plantains require cooking compared to dessert bananas
- Structural integrity during cooking
- The flavor and texture progression of a ripening banana
- Using bananas as a ripening tool for other produce
- Plantains are generally larger and have thicker protective peels
- Dessert bananas have thinner skins that peel easily by hand
- Complex starches break down into simple, easy-to-digest sugars
- Antioxidant levels actually increase as the peel develops dark spots
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives The Yellow Fruit Encyclopedia the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
If you want to know how sweet a banana is before you peel it, what should you look at?
Get it right to open this lesson and 209 more in the app.
Where The Yellow Fruit Encyclopedia takes you
An exhaustive guide to every yellow fruit on the planet. From common kitchen staples to rare tropical treasures, learn to identify, taste, and use every golden gift nature has to offer.
- 1
The Kitchen Staples
- Bananas and Plantains
- Lemons and Yellow Limes
- Golden Delicious and Yellow Apples
- Yellow Peaches and Nectarines
- Yellow Pears
- 2
Tropical Gold
- Mango Varieties
- Pineapples
- Yellow Dragonfruit
- Starfruit (Carambola)
- 3
The Citrus Spectrum
- Grapefruit and Pomelos
- Citrons and Buddha's Hand
- Yuzu and Meyer Lemons
- Kumquats and Loquats
- Yellow Tangerines and Oranges
- 4
Stone Fruits and Berries
- Apricots
- Yellow Plums and Mirabelles
- Golden Raspberries
- Yellow Gooseberries
- 5
Melons and Gourds
- Canary Melons
- Casaba and Honeydew Variants
- Yellow Watermelon
- 6
Rare and Exotic Finds
- Jackfruit and Durian
- Eggfruit (Canistel)
- Marang and Cempedak
- Yellow Mangosteen
- Langsat and Longan
- 7
The Nightshade Cousins
- Yellow Tomatoes
- Golden Berries (Cape Gooseberries)
- Yellow Bell Peppers and Chili
- 8
Wild and Foraged Yellows
- Cloudberries
- Pawpaws
- Quince
- Prickly Pear (Yellow Variety)
- 9
Judging Quality and Ripeness
- The Meaning of Yellow Pigments
- Smell and Weight Indicators
- Skin Texture and Bruising
- When Yellow Means Overripe
- 10
Culinary Applications
- Acidity vs. Sweetness in Yellow Fruits
- Preserving and Drying
- Cooking with Yellow Tropicals
- Zesting and Essential Oils
- Natural Yellow Food Dyes
10 sections · 42 units · 210 levels. Built to play, not to enroll.
You pick the voice
The Yellow Fruit Encyclopedia is taught in the Explain Like I'm 5 style: no big words. promise.. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start The Yellow Fruit Encyclopedia today.
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