Step 1: Prep the Beef: Pat beef dry with paper towels for better browning. Season with salt and pepper, then toss in flour to coat evenly.
Step 2: Brown the Beef: Heat oil in a skillet over medium-high heat. Brown beef cubes in batches, searing each side until golden. Transfer browned beef to the slow cooker.
Step 3: Sauté Onions u0026 Garlic: Using the same pan, sauté onions for 3–4 minutes until softened. Add garlic and cook for 30 seconds until fragrant. Transfer to the slow cooker.
Step 4: Layer Ingredients in Slow Cooker: Add chopped parsnips, carrots, and potatoes on top of the beef. Pour in broth, wine (if using), tomato paste, and Worcestershire sauce. Add bay leaves, thyme, and rosemary. Stir gently.
Step 5: Slow Cook: Cover and cook on Low for 7–8 hours (best for tender beef) or High for 4–5 hours.
Step 6: Finish u0026 Serve: Near the end of cooking, stir in frozen peas (optional). Taste and adjust seasoning with salt and pepper. Discard bay leaves before serving.