I was curious to see what the Kirkland Signature Angus ground-chuck and beef patties would be like. At $28 for 18 patties — each weighing ⅓ pound — Costco's house brand represents the best deal for ...

Shake Shack only uses 100% all-natural Angus beef for its famous burgers. "No hormones and no antibiotics ever," it declares on the website. "Our proprietary Shack blend is freshly ground and served ...