Mouthwatering Pot Roast Slowcooker

Category: Sophisticated Dinners Ready in 45 Minutes or Less

This classic slowcooked pot roast serves up melt-in-your-mouth beef, sweet carrots, tasty onions, and bright herbs. Browning the meat first gives a super tasty crust before the long cook. You end up with a hearty sauce that comes together from all the pan juices, some butter, and a bit of flour. Grab some mashed potatoes or rice to soak it up and you've got a great family dinner. It's easy to prep ahead and stays juicy for ages.

A woman in a white chef's coat smiles for the camera.
Created By Mia Laurent
Updated on Thu, 12 Jun 2025 01:23:01 GMT
A bowl filled with grilled beef, potatoes, carrots, and other vegetables. Pin
A bowl filled with grilled beef, potatoes, carrots, and other vegetables. | chefmiarecipes.com

This slow cooker beef roast is all about comfort and comes together with simple stuff you probably already have. Every time I make it on a chilly Sunday, my whole place smells amazing and everyone winds up hovering in the kitchen, waiting for melt-in-your-mouth bites.

I've put this meal together for birthdays and just regular weekends and honestly, the bowl always gets wiped clean. Folks come back for seconds every time.

Tasty Ingredients

  • Shoulder beef roast: gives juicy and rich beefy vibes, look for good marbling
  • Olive oil: helps the outside crisp up, cold-pressed is extra tasty
  • Onions: big chunks, they turn sweet and blend into the sauce as they cook
  • Garlic: chop it fresh, it really amps up the flavor
  • Beef broth: go for homemade or low-salt if you can, makes your sauce perfect
  • Carrots: cut chunky so they don’t get mushy and bring nice sweetness
  • Butter: makes the sauce silky, grab the real creamy kind
  • Fresh thyme and rosemary sprigs: use fresh if you can, the smell and flavor's way better
  • Flour: thickens things up, plain white does the trick
  • Salt and black pepper: can’t skip these for all-around seasoning, use fresh ground if you can

When you're grabbing groceries, spring for good beef from a local farm and use the best fresh veggies you can find. That’s what makes it all pop.

Simple Step-By-Step Directions

Slice and Serve:
Cut the beef into thick slices and pile onto plates with all your veggies. Spoon over a bunch of that rich sauce. It’s awesome with mashed potatoes or a side of buttery rice to soak everything up.
Get Your Sauce Ready:
Once the beef is done, scoop a couple cups of the juices into a saucepan. Melt butter in a separate pan, stir in the flour and let it brown just a bit so it doesn't taste raw. Slowly whisk in your broth, keep it moving, and let it gently thicken up into a smooth sauce.
Slow and Low Cooking:
Set your slow cooker to low for eight hours or crank it to high for five or six if you’re short on time. Leave it alone and let those flavors develop until the beef is super tender.
Layer the Pot:
Toss the browned veggies on the bottom of the slow cooker. Lay the beef roast on top. Pour in the broth and throw the herb sprigs over everything for extra flavor as it cooks.
Veggie Prep:
Pour extra olive oil into the skillet. Add onions and carrots, sauté for about four minutes so they caramelize a bit and get sweet. Toss in garlic at the end—let it go just a few seconds so it doesn’t burn.
Season and Sear:
Rub salt and pepper all over your beef. Heat oil in a big pot over medium-high, sear the beef on each side for about two minutes so it gets a solid crust. This builds deep flavor.
A plate featuring grilled beef, potatoes, onions, and carrots. Pin
A plate featuring grilled beef, potatoes, onions, and carrots. | chefmiarecipes.com

Good Stuff To Know

This meal fills you up and packs lots of protein

You can freeze leftovers and enjoy it tomorrow too

Keeps great for feeding a crowd or prepping ahead for a busy family night

The best part for me is always when my kids dig in. They like it so much, leftovers are always gone from the fridge by the next morning.

Storing Leftovers

Got extra roast? Covered, it'll last in the fridge for three or four days. Add a splash of broth or a little water before reheating so things stay juicy. Pop it in the freezer, and it keeps fresh for three months—just thaw slowly in the fridge and warm it gently when you’re ready to eat.

Ingredient Swaps

No shoulder roast at the store? Grab a chuck instead. Sweet potatoes or parsnips totally work if you're out of carrots. Only got dried rosemary? Use a half teaspoon since it’s stronger than fresh.

How To Serve

Mashed potatoes are the classic side, but a creamy polenta or toasted country bread are awesome too. I always add a tray of roasted green peas or a simple veggie out of the oven—it rounds everything out and keeps everyone full.

A plate showing beef, potatoes, carrots, and onions. Pin
A plate showing beef, potatoes, carrots, and onions. | chefmiarecipes.com

Family Tradition Notes

This kind of beef dish is a staple at family tables in North America, especially when it's chilly outside and people get together to catch up. Over in Germany, folks make a similar Sunday meal—always means cozy times and hanging out with the people you care about. My grandma prepped it every Saturday, and the smell alone made our house feel extra homey.

A plate of grilled beef, potatoes, gravy, and onions. Pin
A plate of grilled beef, potatoes, gravy, and onions. | chefmiarecipes.com

Common Recipe Questions

→ What kind of beef should I use for a pot roast?

Chuck or shoulder cuts work awesome since they turn fork-tender after that long stretch in the slowcooker.

→ Can I swap in different veggies?

Definitely! If you don't want carrots or onions, try tossing in potatoes, celery, or parsnips instead.

→ How do I make the sauce nice and thick?

Try mixing butter and flour into a quick roux, then stir in the juices from the pot until it's as thick as you like.

→ How long does the beef need to cook?

Set your slowcooker low and let the beef hang out for about eight hours to get super soft.

→ What's good to eat with it?

Baguette, mashed potatoes, or steamed rice are awesome for scooping up all that tasty sauce.

→ Can I make this ahead?

For sure. This one’s easy to get ready in advance, and it heats up just fine later on.

pot roast slowcooker

Tender beef, onions, and carrots cooked in a rich broth with herbs. Great for kicking back with friends or family.

Prep Time
20 minutes
Cooking Time
480 minutes
Total Duration
500 minutes
Created By: Mia Laurent

Recipe Category: Weeknight Elegance

Skill Level: Moderately Challenging

Recipe Cuisine: American

Recipe Yield: 6 Number of Servings (1 roast, 6 servings)

Dietary Categories: ~

Ingredients You’ll Need

→ For the Sauce

01 3 tablespoons butter
02 3 tablespoons flour

→ Liquids & Spices

03 Kosher salt
04 Black pepper
05 2 sprigs rosemary
06 2 sprigs thyme
07 4 cups low-sodium beef broth
08 4 tablespoons olive oil

→ Vegetables

09 4 garlic cloves, minced
10 2 onions, roughly chopped
11 6 big carrots, unpeeled and cut in half

→ Meat

12 1.5 to 2.3 kg beef chuck roast

Steps to Make It

Step 01

Slice up the beef roast and top it with the cooked veggies and that tasty sauce. If you want, throw in some mashed potatoes or rice.

Step 02

Right after cooking, strain out 2 cups of the cooking liquid and keep it for later. Melt butter in a pan, then stir in flour. Let it cook over low heat for about a minute. Slowly pour in the reserved liquid, keep whisking, let it bubble a bit, and simmer till it thickens up.

Step 03

Let everything cook for 8 hours on low or between 5 and 6 hours on high.

Step 04

Add rosemary, thyme, and beef broth to the slow cooker.

Step 05

Pour left-over olive oil into the pan. Toss in carrots and onions. Let them cook 3–4 minutes so they get a bit brown. Move the veggies and chopped garlic over to the slow cooker.

Step 06

Warm up a big, heavy pan or cast iron skillet over medium heat. Put in 2 tablespoons olive oil. Sear the roast on all sides for about 2 minutes each. Take it out and set it in your slow cooker.

Step 07

Shake on plenty of salt and pepper all over both sides of your beef roast.

Extra Information

  1. Browning the beef first adds more flavor and makes the final dish taste richer.

Essential Tools

  • Slow cooker
  • Heavy skillet or Dutch oven
  • Wooden spoon

Allergen Details

Review every item for allergen risks. Reach out to a healthcare expert for any concerns.
  • Has dairy (butter)
  • Has gluten (flour)

Nutritional Details (Per Serving)

These figures are for general reference and shouldn’t replace expert medical guidance.
  • Caloric Content: 584
  • Fat Content: ~
  • Carbohydrate Content: ~
  • Protein Content: ~