I tested each cold foam product on a fresh cup of cold brew coffee. The Silk oat cold foam creamer came in at the bottom of my list because I found the consistency to be thin and bubbly, not foamy. I liked how the Reddi Wip canister came with directions for best use, as well as the ideal ratios for a perfect cold foam latte. Dunkin’ Extra Extra Cold Foam CreamerKristina Vanni For Taste Of HomeIt should come as no surprise that the company that offers the best fast-food coffee also tops the list of the best cold foam creamers. The Dunkin’ Extra Extra cold foam creamer sells for $5.19 and comes in two flavors: regular and chocolate.