Knowledge Base
Coffee & Tea Guides
Brew better and explore more — buying guides, how-tos, and explainers for every coffee and tea ritual.
How-To
How to Make Custard Cold Foam for Iced Coffee
Custard cold foam is a rich, egg-yolk-vanilla cap of cold-frothed milk that drinks like dessert custard floated over iced coffee or cold brew. Here is how to make it — with ingredient amounts, ordered steps, a milk-texture table, and the vanilla-custard syrup or smooth pudding slurry that keeps the foam glossy and pourable.
How-To
How to Make Avocado Cold Foam
A silky, pale-green, barely-sweet cold foam you blend and froth cold — ripe avocado, cold milk, a little sweetener and salt — then float over iced coffee or cold brew.
How-To
How to Make Toffee Cold Foam at Home
Make glossy, buttery toffee cold foam at home in under a minute. Get the ingredients, ratios, a milk-texture table and the step-by-step method for a cooked-sugar cap on iced coffee or cold brew.
How-To
How to Make Banana Bread Cold Foam
Banana bread cold foam is a cozy, bakery-spiced cap you cold-froth from milk with banana syrup or strained ripe banana, brown sugar, vanilla and cinnamon, then float over iced coffee or cold brew. Here is the exact recipe, the froth times and a milk-texture table.
How-To
How to Make Peach Syrup
Peach syrup is a golden, honeyed, summery fruit syrup you simmer from sliced fresh, frozen or canned peaches with sugar, water and lemon. Here's how to make it for peach iced tea, lemonade, iced coffee, sodas and cocktails, plus a fresh-versus-frozen-versus-canned guide.
How-To
How to Make Cranberry Syrup (Tart-Sweet Ruby Syrup)
Cranberry syrup is a bright, tart-sweet ruby pour made by simmering fresh or frozen cranberries with sugar and water until they burst, then straining. Here is a simple recipe, a festive spiced version, and how to stir it into spritzes, iced tea, lemonade and cocktails.
How-To
How to Make Lychee Syrup for Bubble Tea and Iced Drinks
Lychee syrup is a fragrant, rose-and-pear-scented syrup made by simmering fresh or canned lychees with sugar, water and a squeeze of lemon, then straining. Here is the easy recipe, plus a ratio table, how to use it in bubble tea, iced tea, lemonade and cocktails, and how to store it.
How-To
How to Make Watermelon Syrup
Watermelon syrup is a light, fresh-melon simple syrup made by blending and straining fresh watermelon into juice, then gently cooking it with sugar and a little lemon into a delicate pink syrup. Learn the recipe, amounts and how to use it in lemonade, iced tea, sparkling water and cold brew.
How-To
How to Make Grape Syrup for Sodas, Iced Tea and Cocktails
Grape syrup is a deep purple, sweet-tart pour made by simmering fresh grapes or grape juice with sugar and a squeeze of lemon, then straining. Here is how to make grape syrup both ways, with a ratio table, a fresh-grapes-versus-juice comparison, uses and storage tips.
How-To
How to Make Tangerine Syrup
Tangerine syrup is a bright citrus simple syrup made by warming sugar with fresh tangerine juice and a little zest just until it dissolves. Here is the full recipe, a ratio table, ways to use it in iced coffee, cold brew, iced tea and cocktails, and how to store it.
How-To
How to Make Popping Boba at Home
Popping boba is made at home by reverse spherification: blend fruit juice with a little calcium, drop it into a sodium alginate bath, and each bead sets a thin skin around a liquid centre that pops. Here is the full recipe with ingredients, ratios and steps.
How-To
How to Make Crystal Boba (Agar Boba) at Home
Crystal boba is the clear, springy bubble tea jelly made from agar, not tapioca. Here is how to make it at home, with ratios and both the cube and oil-drip sphere methods.
How-To
How to Make Green Tea Milk Tea
Green tea milk tea is plain green tea brewed cool and strong, sweetened, then built over ice with cold milk and boba. Here is an easy step-by-step recipe with amounts, a guide to the best green-tea bases, and honest notes on caffeine and food safety.
How-To
How to Make Ube Milk Tea (Purple Yam Boba)
Ube milk tea is a vivid purple, sweet-and-nutty drink made with ube — the Filipino purple yam. Here is how to make ube milk tea at home: a smooth ube-milk, a light tea base, ice, and chewy boba, with real ratios and a source table.
How-To
How to Make Red Bean Milk Tea
Red bean milk tea is made from sweet cooked adzuki beans, strong black or oolong tea, and cold milk over ice. Here is the recipe, real ratios, a quick paste shortcut, and storage tips.
How-To
How to Make Okinawa Milk Tea (Black Sugar Milk Tea)
Okinawa milk tea is strong black tea sweetened with roasted black sugar (kokuto) and finished with milk. Here is how to make it, hot or iced, with real ratios.
How-To
How to Make Hokkaido Milk Tea (Creamy Caramel Recipe)
Hokkaido milk tea is a rich, caramel-cream milk tea named for Japan's dairy island. Here is the recipe: strong malty black tea, a caramel note, and rich milk, served hot or iced with boba.
How-To
How to Make Oolong Milk Tea
Oolong milk tea is brewed oolong made a little stronger, lightly sweetened, then finished with cold milk over ice — with or without boba. Here is the full recipe with real ratios and a green-vs-roasted oolong table.
How-To
How to Make Honeydew Cold Foam
Honeydew cold foam is a glossy, pale-green melon cap you cold-froth from milk and strained honeydew or melon syrup, then float over iced coffee, cold brew or an iced tea. Here is the exact recipe, the froth times and a milk-texture table.
How-To
How to Make Chocolate Hazelnut Cold Foam
Chocolate hazelnut cold foam is a glossy, mocha-brown cap you cold-froth from milk, hazelnut syrup and a little cocoa or chocolate syrup, then float on iced coffee or cold brew. Here is the method, the ingredient amounts, and a milk-texture guide.
How-To
How to Make Coffee Cake Cold Foam
Coffee cake cold foam is a glossy, pourable cap of cold-frothed milk flavoured with cinnamon, brown sugar and vanilla. Here is the quick recipe, the froth timings, a milk-texture guide and how to float it on iced coffee or cold brew.
How-To
How to Make Gooseberry Cold Foam
Gooseberry cold foam is cold-frothed milk flavoured with tart, strained gooseberry — a glossy, pourable cap for iced coffee, cold brew, or iced tea. Here is how to make it, plus a milk-texture guide and make-ahead tips.
How-To
How to Make Papaya Cold Foam
Papaya cold foam is a silky, sunset-hued cap of cold-frothed milk and ripe papaya you float on iced coffee, cold brew or iced tea. Here is the froth-to-order method, exact amounts and a milk-choice table for a foam that holds.
How-To
How to Make Nectarine Cold Foam
Nectarine cold foam is cold-frothed milk carrying a sweet, sunny stone-fruit note. Here's how to make it glossy and pourable for iced coffee or cold brew.