Trim fat from meat. Cut meat into 1-inch pieces. In a large skillet brown meat, half at a time, in hot oil. Drain off fat.
Place meat in a 3-1/2- or 4 -1/2-quart slow cooker. Stir in chicken broth, edamame, water chestnuts, sweet pepper, soy sauce, hoisin sauce, ginger, crushed red pepper, and garlic.
Cover and cook on low-heat setting for 7 to 8 hours or on high-heat setting for 3 1/2 to 4 hours. Skim off fat. Stir in ramen noodles (reserve seasoning packet for another use). Cover and cook for 5 minutes more. Makes 6 servings.