How chefs use 'meat glue' made from pig blood to stick steaks together

There are no U.S. laws requiring chefs to disclose the use of
There are no U.S. laws requiring chefs to disclose the use of 'meat glue', a kitchen trick that has left consumers curdling at the thought of ordering a filet.

What Is Meat Glue And Where Can You Find It?

The BaconSteak - Meat Glued Bacon Flank Steak Roulade : 5 Steps (with Pictures) - Instructables

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Meat Glue: What Is It, And Why Is It Bad? – In10sityFitnessUnited

Review of Chef Steps Sous-Vide-Faux-Age-Beef (The Modernist Strategy to Dry Age Beef)

Genuine question - does woolies use meat glue on their fillet steaks? : r/perth

Watch How Some Chefs Use 'Meat Glue' in a Steak

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How to butcher (trim and cut) a whole beef tenderloin (a.k.a. “PiSMO”) into filet mignon steaks

Can You Really Make Waygu with Meat Glue?