On weekday nights when I'm clearly in the weeds, a tiny affordable can of diced green mild chiles is the key that unlocks a fast and satisfying meal for my family of four. After quickly searing boneless skinless chicken thighs, I deglaze the pan with those chiles, along with a can's worth of tap water, creating a deep yet bright and bracing sauce -- one that belies its two-ingredient composition. That simmering sauce both flavors and softens the…