Topic
caffeine
5 pieces.
01 
Genmaicha: Green Tea with Toasted Rice Genmaicha is green tea blended half-and-half with roasted rice — usually white rice, despite the name. What's in the bag, its caffeine, and how to brew it. 02 
Hōjicha: Japan's Roasted Green Tea, Explained Hōjicha is green tea roasted until it turns brown — toasty, low in caffeine, and brewed near boiling. What it is, how the roast changes it, and how to make it. 03 
Matcha, Caffeine and L-Theanine: What the Science Shows What controlled studies show about matcha's caffeine and L-theanine: measured per-serving ranges, the 'calm energy' claim, and the honest limits. 04 
Matcha vs Coffee: Caffeine, Cost, and What a Switch Involves Matcha is not cheaper than coffee. The 2026 numbers on caffeine per serving, cost per cup at home, café margins, and what switching involves in practice. 05 
How to Make a Hōjicha Latte (Powder and Brewed) Hōjicha powder and brewed leaf make two different lattes. The ratios for each, why powder wants cooler water than leaf, and how to stop it tasting milky.
Genmaicha: Green Tea with Toasted Rice Genmaicha is green tea blended half-and-half with roasted rice — usually white rice, despite the name. What's in the bag, its caffeine, and how to brew it. 02 Hōjicha: Japan's Roasted Green Tea, Explained Hōjicha is green tea roasted until it turns brown — toasty, low in caffeine, and brewed near boiling. What it is, how the roast changes it, and how to make it. 03 Matcha, Caffeine and L-Theanine: What the Science Shows What controlled studies show about matcha's caffeine and L-theanine: measured per-serving ranges, the 'calm energy' claim, and the honest limits. 04 Matcha vs Coffee: Caffeine, Cost, and What a Switch Involves Matcha is not cheaper than coffee. The 2026 numbers on caffeine per serving, cost per cup at home, café margins, and what switching involves in practice. 05 How to Make a Hōjicha Latte (Powder and Brewed) Hōjicha powder and brewed leaf make two different lattes. The ratios for each, why powder wants cooler water than leaf, and how to stop it tasting milky.