1.Chop One Chipotle Pepper; Place In A Bowl. Add 1 Teaspoon Of The Adobo Sauce. Stir In Sour Cream And Cilantro; Refrigerate. (Save Remaining Peppers And Sauce For Another Use.) 2.Grill Steaks, Uncovered, Over Medium-Hot Heat For 6-10 Minutes On Each Side Or Until Meat Reaches Desired Doneness (For Medium-Rare, A Meat Thermometer Should Read 145 Degrees F; Medium, 160 Degrees F; Well-Done, 170 Degrees F). Serve With Sauce.