I don’t live in Chicago so I’ve just recently discovered Chicago Italian Beef sandwiches. Glad I could find this giardiniera online. Does anyone make a homemade version Chicago style, or recommend a different brand that can be bought online?

I don’t live in Chicago so I’ve just recently discovered Chicago Italian Beef sandwiches. Glad I could find this giardiniera online. Does anyone make a homemade version Chicago style, or recommend a different brand that can be bought online?