Yummy Chori is an Authentic Argentine On-Site Grill Catering concept. We bring the steakhouse to you! About Us... Yummy Chori is an Authentic Argentine On-Site Grill Catering concept. We bring the steakhouse to you! The best and highest grade of beef, the most experienced Argentine Grill Masters, beautiful and upscale presentation and grill set up and an unforgettable and delicious gourmet experience! Yummy Chori is the creation of Stacey and Jorge Lorea, owners of Chica Boom