Crock Pot Pepper Steak *There’s nothing quite like a slow-cooked pepper steak—the kind that fills the house with a warm, savory aroma all afternoon. It’s a cozy, dependable recipe that feels right at home on a busy day or a relaxed weekend, with tender beef and colorful peppers simmered to perfection.* What You'll Need 2 pounds sirloin, cut into 2-inch by 1/2-inch strips 1 large yellow onion, sliced 2 green bell peppers, cut into 1/2-inch strips 2 red or yellow/orange bell peppers, cut into 1/2-