Ingredients You Need
The exact ingredients can vary from one family recipe to another, but a classic slow cooker pot roast usually includes:
- Beef chuck roast
- Beef broth or another suitable cooking liquid
- Onion
- Garlic
- Carrots
- Potatoes or mashed potatoes for serving
- Green beans for serving
- Salt
- Black pepper
- Garlic or onion seasoning
- Cooking oil when searing the beef
- Flour or cornstarch if thickening the gravy
You can also add herbs such as thyme, rosemary, or parsley for additional flavor.
The beauty of pot roast is that it is flexible enough to adapt to your preferred seasonings.
Should You Sear the Beef First?
Searing isn’t strictly required, but it can add another layer of flavor.
Heat a skillet over medium-high heat and add a small amount of cooking oil.
Pat the roast dry, season it, and brown the major surfaces until they develop a deep golden-brown crust.
You don’t need to cook the roast through at this stage.
The purpose is to brown the exterior before the slow cooking begins.
Once browned, transfer the roast to the slow cooker.
If you’re short on time, you can skip this step. The roast will still cook, but the finished flavor may be somewhat less developed.
How to Make Slow Cooker Pot Roast
1. Prepare the beef
Remove the roast from its packaging and pat it dry with paper towels.
Season all sides generously with salt and black pepper.
If using additional dried herbs or seasonings, coat the roast evenly.
2. Sear the roast
For deeper flavor, brown the beef in a hot skillet before transferring it to the slow cooker.
Brown each major side rather than constantly moving the meat around.
The goal is a flavorful browned exterior.
3. Prepare the vegetables
Peel and cut the vegetables into large, evenly sized pieces.
Larger pieces generally hold their shape better during a long cooking period.
If you are serving mashed potatoes separately, you don’t need to cook those potatoes in the slow cooker.
4. Build the slow cooker
Place the vegetables and aromatics into the slow cooker according to your recipe.
Set the browned beef on top.
Pour in the cooking liquid.
The liquid doesn’t necessarily need to completely cover the roast. Slow cooking creates additional moisture as the ingredients cook.
5. Add your seasonings
Add your chosen herbs and seasonings.
Keep in mind that the flavors will become more concentrated during cooking, especially as the liquid reduces.
6. Cook slowly
Cover the slow cooker and cook according to your recipe’s recommended setting and timing.
Avoid lifting the lid repeatedly.
Every time you remove the lid, heat escapes and the cooking environment changes.
7. Check the beef
The roast should become very tender.
A fork should slide into the meat with little resistance when it is properly cooked.
For food-safety guidance on beef and safe cooking temperatures, refer to the USDA’s meat and poultry safety recommendations.
8. Rest the roast
Once cooked, carefully remove the beef from the slow cooker.
Allow it to rest briefly before slicing or pulling it apart.
Resting helps keep the meat juicy and makes it easier to handle.
How to Make Rich Pot Roast Gravy
The gravy is one of the reasons people love slow cooker pot roast so much.
The cooking liquid contains flavor from the beef, vegetables, seasonings, and aromatics.
After removing the roast, strain the liquid if desired.
You can then thicken it using flour or cornstarch, depending on your preferred method.
Cornstarch slurry
Mix cornstarch with cold water until smooth.
Add the mixture gradually to hot cooking liquid while stirring.
Continue heating until the gravy thickens.
Flour-based gravy
You can also prepare a traditional gravy using flour and fat.
Whichever method you choose, add thickener gradually.
It’s much easier to add a little more than to correct gravy that has become excessively thick.
Serving Slow Cooker Pot Roast
A classic plate doesn’t need much decoration.
Slice the tender beef and spoon plenty of gravy over the top.
Then add:
- Creamy mashed potatoes
- Green beans
- Roasted carrots
- Dinner rolls
- Steamed vegetables
The mashed potatoes are particularly useful because they absorb the gravy.
For a lighter plate, increase the vegetables and serve a smaller portion of beef and mashed potatoes.
Tips for the Best Slow Cooker Pot Roast
Don’t use an extremely lean roast
Some fat and connective tissue help the meat become tender and flavorful during long cooking.
Brown the beef when you have time
Searing isn’t mandatory, but it gives the roast a deeper savory flavor.
Keep the lid closed
Resist the temptation to keep checking the roast.
The slow cooker works best when heat remains trapped inside.
Cut vegetables into large pieces
Small vegetable pieces can become overly soft during a long cooking period.
Larger pieces are more likely to retain their shape.
Don’t drown the roast in liquid
More liquid doesn’t automatically mean a better pot roast.
Use enough liquid to create a moist cooking environment while allowing the other flavors to concentrate.
Give the beef time
Pot roast is not a recipe that rewards rushing.
If the beef is still tough, it may simply need more cooking time.