America's Test Kitchen (originally America's Test Kitchen from Cook's Illustrated Magazine) is a half-hour long American cooking show broadcast by public television stations and Create and distributed by American Public Television. Originally hosted by Christopher Kimball, the program currently is co-hosted by Julia Collin Davison and Bridget Lancaster.

On the show, a handful of test cooks are filmed in a real, working test kitchen, including hosts Davison and Lancaster and chefs Keith Dresser, Becky Hayes, Lan Lam, Erin McMurrer, Elle Simone Scott, and Dan Souza. Also, Bryan Roof, Christie Morrison, Ashley Moore, Lawman Johnson, and Morgan Bolling

prepare recipes as they discuss what works, what doesn't, and why, highlighting the rigorous recipe testing process at the core of the test kitchen's mission. Equipment expert Adam Ried, gadget critic Lisa McManus, and tasting expert Jack Bishop help viewers understand what to look for when buying gear and ingredients.

The show is affiliated with America's Test Kitchen, publishers of Cook's Illustrated and Cook's Country magazines, and beginning in Season 19, the show is recorded at ATK's test kitchen facility at the Innovation and Design Building in Boston, Massachusetts.

On February 2, 2023, Marquee Brands became a majority owner of ATK (America's Test Kitchen Limited Partnership) and its associated brands, including Cook's Illustrated and Cook's Country.

On March 24, 2023, America's Test Kitchen laid off 23 workers or about 10 percent of its staff. That included the entire team that worked on the ATK Kids brand.