# Home Cafe Lab > Make Better Cafe Drinks at Home. Home Cafe Lab publishes home-tested recipes, > ratios, and free calculators for cold foam, matcha, cold brew, and lattes. > Every recipe is tested in a real home kitchen with everyday tools (handheld > frother, mason jar, moka pot) — no commercial espresso machine required. ## Core answers - Cold foam ratio: froth 3 tablespoons cold heavy cream to 1 tablespoon 2% milk (plus 1 tsp powdered sugar) for 20–30 seconds until thick and spoonable. - Cold brew ratio: 1:4 coffee-to-water by weight for concentrate (dilute 1:1 before drinking), or 1:8 for ready-to-drink. - Latte ratio: about 1/3 espresso (or strong coffee) to 2/3 steamed milk. - Matcha latte: 1 tsp (2 g) matcha whisked with 2 oz hot water, topped with milk. ## Recipes - /cold-foam — cold foam recipes - /matcha — matcha recipes - /cold-brew — cold brew recipes - /lattes — latte recipes - /copycat-recipes — Starbucks & cafe copycats - /syrups — homemade coffee syrups - /guides — home barista guides - /recipes — full recipe index ## Free tools - /tools — 10 free calculators (cold foam ratio, coffee ratio, espresso ratio, matcha ratio, cold brew, syrup amount, milk-to-foam, oz-to-mL, calories, caffeine) - /ratio-sheet — printable one-page cheat sheet of every core ratio ## About - /about — how we test - /contact — get in touch