Transcript for 'Pink Slime' Taste Test
More than a week now you know we've been reporting here on pink -- -- filler used in your ground -- it sparked a grassroots movement so many of you concerned about the ground beef in your grocery store an army of concerned viewers. Taking your questions straight to your butcher. And among them a cookbook author who did more than ask questions he -- it to test the difference. And I didn't label EMI can figure it out it's. We said Melissa Baines a mother of three to -- local store on the hunt for -- with so called pink slime. -- nothing about the ingredient horror that happened. You can have a team that came to -- and -- So she asked her butcher. Now yeah -- yeah. Yeah yeah. Don't use with the industry calls -- finally textured beef and inexpensive filler made with processed beef trimmings spritz with ammonia. And now so many of you are asking what's in my beef. Butchers are starting to provide answers. When I went to one of the persons they were actually got these sort -- fact -- JM Hirsch is the food editor for the associated press and a cookbook author who wanted to know. Is there a difference between -- -- and without the pink slime. On the hand that looked more or less the same except. This sample -- with a pink stuff definitely did not let out as much fat so does it taste different. The comedy whip out. The -- -- is -- -- ever -- cook off comes as one of the makers of pink slime. Beef products think releases a new video defending its product. What we make -- a 100% lean -- We do so with great attention to quality and -- the government agrees the product is safe but what about telling on the label. I had to call the corps headquarters of another company to find out that the filler is actually in this me. No labels and more questions for butchers around the country. David -- ABC news Washington.
This transcript has been automatically generated and may not be 100% accurate.