01 - Pat the steaks completely dry with paper towels. Rub both sides generously with salt, pepper, paprika, thyme, and rosemary, pressing the spices into the meat.
02 - Heat olive oil in a large skillet over medium-high heat until shimmering. Sear seasoned steaks for 2 minutes per side until deeply browned. This step develops rich caramelization.
03 - Transfer browned steaks to the slow cooker base. Arrange halved potatoes, sliced carrots, onion wedges, and minced garlic around and over the meat.
04 - Pour beef broth and Worcestershire sauce evenly over all ingredients. The liquid should partially cover the vegetables but not completely submerge the steaks.
05 - Cover with lid and cook on low setting for 6 hours. The meat is done when it fork-tender and potatoes offer no resistance when pierced.
06 - Taste the cooking liquid and adjust seasoning with additional salt or pepper if desired. Sprinkle with fresh parsley just before plating.