Creating Slow Cooker Beef and Noodles is a seamless process. Follow these steps to ensure a delicious result:

1. Prepare the Beef: Cut the beef chuck roast into 1-inch cubes and season with salt and pepper.
2. Sear the Beef (Optional): In a skillet, sear the beef cubes in a little oil until browned on all sides. This adds depth to the flavor.
3. Combine Ingredients: In the slow cooker, add the diced onion, minced garlic, seared beef, beef broth, Worcestershire sauce, soy sauce, thyme, and black pepper.
4. Cook: Cover and cook on low for 6 to 8 hours or on high for 3 to 4 hours until the beef is tender.
5. Add Noodles: About 30 minutes before serving, add the egg noodles to the slow cooker. Stir to combine and continue cooking until the noodles are tender.
6. Thicken Sauce (Optional): If you prefer a thicker sauce, mix cornstarch with a little water to create a slurry, and stir it into the slow cooker. Let it cook for an additional 10 minutes.
7. Serve: Once the noodles are cooked, taste and adjust seasoning if needed. Garnish with fresh parsley if desired.

These simple steps will guide you in creating a hearty and satisfying meal effortlessly.