11 Foods You Should Never Put in a Slow Cooker August 10, 2026 by omar ADVERTISEMENT flavor. Frozen meat and improperly prepared kidney beans can create food-safety concerns. Meanwhile, too much liquid and repeated lid opening can interfere with the entire dish. Once those common mistakes are understood, slow cooking becomes far more predictable. With thoughtful timing, proper preparation, and a little patience, the slow cooker can do continue reading … ADVERTISEMENT ←PreviousNext→