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Slow Cooker Seasoned Roast

This recipe for Slow Cooker Seasoned Roast is made with a homemade spice blend with a secret ingredient.

I used to throw some veggies and meat in my slow cooker, turn it on for about 8 hours, and return to find some veggies and somewhat bland meat.  I was inspired to make a rub after reading through America’s Test Kitchen’s Best-Ever Recipes and saw a recipe for Chuck Roast in Foil (page 6 in case you want to check it out).

The original recipe has celery seed, dried thyme, and cornstarch plus the ingredients I have listed, though the quantities in my recipe differ from America’s Test Kitchen.  After I mixed it all of my ingredients together, I sampled a small amount on the tip of my finger and knew that this was a winning recipe.

roast seasoning

Slow Cooker Seasoned Roast Recipe

For this savory beef recipe, you need the following ingredients:

  • 1½ tsp pepper
  • 1½ tsp onion powder
  • 1½ tsp garlic powder
  • ½ tsp parsley flakes
  • ½ tsp espresso powder
  • 2 tsp salt
  • 2 tsp brown sugar
  • 2 bay leaves
  • 2-3 large baking potatoes
  • 1 package baby carrots
  • 1 large onion
  • 1½ – 2 pound chuck roast
  • 1 1/2 cups water or beef broth
spice blend for roast

You start by making the roast seasoning by mixing together pepper, onion, garlic powder, parsley flakes, espresso powder, salt, and brown sugar.


Next, take a bag of carrots and layer them in the bottom of a slow cooker (aka Crock Pot).

diced potatoes on a cutting board

Then add a layer of potatoes that have been cut into cubes. This is a good way to use up some of your supply of russet potatoes.

knife cutting an onion

Adding onion is a good way to add flavor.  Cutting it into large chunks makes it easy for picky eaters to pick it out.  (Though when it becomes cooked and golden – it’s quite delicious on its own!)

roast ingredients in a CrockPot

Notice the two bay leaves on top.  You want to be sure to remove them after cooking.  Why?  Because, according to eHow, “because the bay leaf has a bitter flavor when eaten and is difficult to chew.”

chuck pot roast

Rub the roast rub on both sides of the meat and then place the meat on top of the vegetables. Pour water or broth over the top of the roast.

seasoned roast before cooking

Depending on the size of your roast, it usually takes 8 – 10 hours for it to cook.  The roast pictured was relatively small and cooked perfectly in 6.5 hours.

roasted vegetables

Don’t have 8 – 10 hours?  You can cook a roast on HIGH in your slow cooker in 4 – 5 hours.

seasoned roast

Grass-fed beef is the best.  “Why is grass-fed beef better?” you may be wondering.

Cows that are grass-fed (and grass-fed) eat the diet that was naturally intended for them.  As calves, they start out with their mother’s milk.  As they grow, their diet progresses to grass.  Cows are ruminants – animals that four chambers in their stomach that are able to digest plant matter that would be relatively indigestible for most other types of mammals.

Cows were never designed to eat corn, which is what cows are typically fed when they go to confined animal feedlots to fatten them up for slaughter.

For humans, the benefit of consuming grass-fed beef aside from knowing that the cow was more apt to have been raised the way nature intended, is that grass-fed beef has been found to be higher in vitamins A, E, and other antioxidants compared to grain-fed beef.

Grass-fed beef also tends to be lower in saturated fat and has as much as five times the amount of omega-3 fatty acids as regular grain-fed beef.

Slow Cooker Seasoned Roast

The seasonings on this roast knock it out of the ballpark!
4.46 from 62 votes
Prep Time 15 mins
Cook Time 8 hrs
Total Time 8 hrs 15 mins
Course Main Dishes
Cuisine American
Servings 6 servings
Calories 517 kcal


  • tsp pepper
  • tsp onion powder
  • tsp garlic powder
  • ½ tsp parsley flakes
  • ½ tsp espresso powder
  • 2 tsp salt
  • 2 tsp brown sugar
  • 2 bay leaves
  • 2-3 large baking potatoes
  • 1 package baby carrots
  • 1 large onion
  • 1½ – 2 pound chuck roast
  • 1 1/2 cups water or beef broth


  • Mix spices together (excluding bay leaf) and set aside.
  • Place carrots in the bottom of a slow cooker that has been sprayed with non-stick spray (or use a disposable slow cooker liner). Cut potatoes into 1 inch cubes and place on top of carrots. Cut onion into large chunks and add to the slow cooker. Top with bay leaves.
  • Generously rub roast with the spice mixture on both sides. Place on top of vegetables, pour water or broth over the meat, and cook for 6-8 hours on low.
  • Remove from slow cooker and discard bay leaves.


Serving: 1Calories: 517kcalCarbohydrates: 37gProtein: 42gFat: 23gSaturated Fat: 10gPolyunsaturated Fat: 12gTrans Fat: 1gCholesterol: 125mgSodium: 908mgFiber: 4gSugar: 4g
Keyword Slow Cooker Seasoned Roast
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