Here’s a simple, oven-based way to get really tender, slow-cooked beef, plus a few variations and tips.

Core method: slow-cooked beef in the oven

Best cuts: chuck roast, brisket, blade, short rib, or beef stew chunks. These cuts have enough fat and connective tissue to turn meltingly tender with long, low heat.

Basic time and temperature

  • For pulled-style roasts (chuck, brisket):
    • Oven: 200–275°F (95–135°C) for several hours.
* Typical range:
  * 200°F: about 6–7 hours for a 3–4 lb (1.5–2 kg) chuck roast.

  * 275–300°F: about 3–4 hours for chunks or a smaller roast.
  • For sliceable but tender roast beef (like a sirloin or top round), people often slow roast around 200–250°F until the center reaches your target internal temp (e.g., 125–135°F for medium-rare), then rest and optionally blast with high heat at the end for crust.

Think of it this way:

Lower heat = longer time, more forgiving and very tender;
Slightly higher slow heat = shorter time, but you must watch doneness more closely.

Step‑by‑step: braised, fall-apart slow beef

This is the easiest “set it and forget it” style: beef that shreds with a fork, similar to slow cooker results but done in the oven.

1. Prep the beef

  1. Take the beef out of the fridge 30–45 minutes before cooking so it isn’t ice cold in the center.
  2. Pat dry with paper towels so it sears better.
  1. Season generously with salt and black pepper on all sides. You can add a dry rub (paprika, garlic powder, onion powder, dried thyme or rosemary) if you like.

2. Brown it on the stove (optional but recommended)

  1. Heat a heavy oven-safe pot (like a Dutch oven) over medium‑high heat with a bit of oil or ghee.
  1. Sear the beef on all sides until browned, about 1–2 minutes per side for a larger roast or chunks.
  1. Remove the beef and set aside on a plate.

Searing builds that deep, savory flavor you usually associate with restaurant braises.

3. Build flavor in the pot

  1. In the same pot, add chopped onion, maybe carrot and celery, and cook until softened.
  2. Add minced garlic and cook briefly (about 30 seconds) so it doesn’t burn.
  1. Deglaze with some red wine, beer, or a splash of vinegar, scraping up browned bits.
  1. Add beef stock or bone broth, and any herbs (bay leaf, thyme, rosemary). The liquid should come about 1/3–1/2 of the way up the sides of the beef once it’s back in the pot.

4. Low and slow in the oven

  1. Return the beef (and any juices) to the pot.
  2. Cover with a tight-fitting lid or foil.
  3. Bake at your chosen low temp:
    • 200°F: around 6 hours for a chuck roast, then uncover 30–45 minutes if you want the top to brown and the sauce to reduce more.
 * 275–300°F: about 2.5–4 hours for chunks or smaller roasts until fork‑tender.
  1. Check occasionally near the end: the meat should be easy to pull apart with a fork.

If it’s still tough, it usually just needs more time, not more heat.

5. Finish and serve

  • Let the beef rest 10–15 minutes after removing from the oven to relax the juices.
  • For pulled beef: transfer to a board or large bowl and shred with forks.
  • For a chunkier stew: leave pieces larger and serve with the braising liquid and vegetables.
  • Taste the sauce; simmer on the stove to reduce and concentrate if needed, then adjust salt/pepper.

Alternative: slow-roasted, sliceable beef

If you want a roast that you slice (like for Sunday roast beef) instead of shred:

  1. Use a leaner roasting cut like top sirloin roast or top round.
  2. Season and optionally stud with garlic slivers (small cuts in the meat with garlic tucked into them).
  1. Sear first or not—both methods are used.
  2. Roast at 200–250°F until internal temperature hits your target:
    • 120–125°F: rare
    • 130–135°F: medium-rare
    • 140–145°F: medium
  3. Rest 15–20 minutes, then slice thinly across the grain.

Some recipes slow roast at 250°F, then finish with a short blast at 450–500°F to build a crust after the center is already at temp.

Simple example “template” recipe

Here’s a minimal framework you can tweak with whatever flavors you like:

  • 3–4 lb chuck roast
  • 1–2 onions, sliced
  • 3–4 cloves garlic, minced
  • 2 carrots, chopped
  • 1–2 cups beef broth (enough to come 1/3–1/2 up the sides of the beef)
  • 1 cup red wine or extra broth
  • 2 bay leaves, 1 tsp dried thyme, optional rosemary
  • Salt, pepper, and a spoon of tomato paste if you want a richer sauce

Follow the braise steps above at 200–275°F until fork‑tender.

Tiny “Quick Scoop”

  • Use tougher cuts (chuck, brisket, stew meat).
  • Brown the beef, add aromatics and broth, and cook covered in the oven at low heat.
  • At 200°F, plan about 6 hours for a roast; at 275–300°F, 2.5–4 hours depending on cut and size.

Information gathered from public forums or data available on the internet and portrayed here.