Tips For Success: Don’t skip searing the meat for this Slow Cooker Country Style Ribs recipe. This is a crucial step in getting the most flavor out of this meal. Searing creates what is technically called Maillard reaction. Maillard reaction is the process where a crust is created. Simply stated, it’s responsible for the complex flavors and aroma that makes bread taste toasty, and a grilled or seared burger taste charred. It’s a technique that brings science to your cooking skills.