Crockpot Tri-Tip and Mash
Last updated on January 17th, 2026
I love using my crockpot because, it means…I get to chill out! Toss it in there and forget about it! This Crockpot Tri-Tip and Mash was so delicious and SO easy! Of course, I used an amazing Tri-Tip Steak from Snake River Farms! Their meat is just unbelievable! It’s perfect, not a single fatty gross bit, nothing. I loaded this roast up with a bunch of fresh herbs, spices and let the crockpot do the rest. The smell of the house, wow. Wish I could make an air freshener out of it!
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What ingredients do I need for this crockpot tri-tip and mash?
For the roast:
Snake River Farms Tri-Tip
Beef Broth
Heavy Cream
Garlic
Butter
Worcestershire
Rosemary
Thyme
Salt
Onion Powder
Cumin
Black Pepper
For the mash:
Little Potatoes
Butter
Salt
Black Pepper
For the mushrooms:
White Mushrooms
Butter
Lawry’s Seasoning
For serving:
Parsley
How do I make it?
To prep the roast for the crockpot:
Liberally rub all roast seasonings and herbs all over the tri-tip, getting in every nook and cranny!

In a cast iron skillet melt the butter needed for tri-tip on medium-high heat. Sear the roast on one side, for a few minutes, then flip and cook a few minutes more.

To cook in the crockpot:
Transfer tri-tip to the crockpot and dump in that butter and bits from the skillet. Lay garlic over the tri-tip and dump in the beef broth.

Cook for 6-8 hours on low, start checking after 6. Mine was done right at 6, but all crockpots are different!

When roast is tender enough to pull apart with a fork, remove from crockpot and shred with two forks. Pour in heavy cream and cook on high for 30 minutes more. While that’s cooking let’s get our mushrooms and potatoes ready.
To make potatoes:
In a large pot, boil potatoes for about 15 minutes, until fork tender. Remove from pot, drain, and move pot to a solid surface for mashing. I like to lay some hot pads down on my counter and do it there. Mash potatoes well, peels and all, I like to leave mine a little chunky! Add in all other potato ingredients, stir until combined completely. Set aside until ready to use.
To make the mushrooms:
In my experience, mushrooms are hit or miss in the crockpot because of the moisture, so I chose to sauté them quick. In a small saucepan on medium heat, melt the butter for the mushrooms. Add mushrooms and Lawry’s to the pan and cook until mushrooms are tender and have a sort of golden crisp to them, about 5 minutes.
To serve crockpot tri-tip and mash:
Scoop some mashed potatoes into a bowl, layer on that beautiful Tri-Tip and juice over the top and finally top off the Crockpot Tri-Tip and Mash with the mushrooms and some fresh parsley! Enjoy!
Check out some of my other recipes featuring SRF!

Crockpot Tri-Tip and Mash
Ingredients
For the roast:
- 2.6 lbs Snake River Farms Tri-Tip
- 3 garlic cloves minced
- 1 ½ cups beef broth
- ½ cup heavy cream
- 2 tbsp butter
- 1 tbsp Worcestershire
- 2 ½ tsp fresh rosemary minced
- 1 tsp fresh thyme minced
- 1 tsp salt
- ½ tsp onion powder
- ½ tsp cumin
- ¼ tsp black pepper
For the mash:
- 24 oz little potatoes any kind – I used red and yellow
- 1 tbsp butter
- 1 tsp salt
- ½ tsp black pepper
For the mushrooms:
- 1 cup white mushrooms sliced
- 1 tbsp butter
- ½ tsp Lawry’s Seasoning
For serving:
- parsley minced
Instructions
To prepare the tri-tip for roasting:
- Liberally rub all roast seasonings and herbs all over the tri-tip, getting in every nook and cranny!
- In a cast iron skillet melt the butter needed for tri-tip on medium-high heat. Sear the roast on one side, for 4 minutes, then flip and sear 4 minutes more.
- Transfer tri-tip to the crockpot and dump in that butter and bits from the skillet. Lay garlic over the tri-tip and dump in the beef broth.
To cook in the crockpot:
- Cook for 6-8 hours on low, start checking after 6. Mine was done right at 6, but all crockpots are different!
- When roast is tender enough to pull apart with a fork, remove from crockpot and shred with two forks.
- Pour in heavy cream and cook on high for 30 minutes more. While that’s cooking let’s get our mushrooms and potatoes ready.
To make potatoes:
- In a large pot, boil potatoes for about 15 minutes, until fork tender
- Remove from pot, drain, and move pot to a solid surface for mashing. I like to lay some hot pads down on my counter and do it there. Mash potatoes well, peels and all, I like to leave mine a little chunky!
- Add in all other potato ingredients, stir until combined completely. Set aside until ready to use.
To make the mushrooms:
- In my experience, mushrooms are kind of hit or miss in the crockpot because of the moisture, so I chose to sauté them quick. In a small saucepan on medium heat, melt the butter for the mushrooms.
- Add mushrooms and Lawry’s to the pan and cook until mushrooms are tender and have a sort of golden crisp to them, about 5 minutes.
To serve:
- Scoop some mashed potatoes into a bowl, layer on that beautiful Tri-Tip and juice over the top and finally top off the Crockpot Tri-Tip and Mash with the mushrooms and some fresh parsley!
Nutrition
Please be aware that nutritional values are approximate and intended as a helpful guide
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This looks like such a tasty and comforting meal. I can’t wait to try your recipes.
Thank you so much! I hope you like it!
Thanks for this recipe. I’m always looking for good crockpot recipes. Can’t wait to try it.
I hope you enjoy it! And I agree, I love the crockpot for saving time!🙂
This looks delicious! I’m always looking for new crockpot recipes.
Thank you so much! I hope you enjoy it if you make it!
This looks so healthy and delicious! I saved to try out this recipe really soon. Thanks so much for sharing!
Thank you! I really hope you enjoy it! It was fantastic 🩷
I’m not great at slow cooker meals but the Crockpot Tri-Tip and Mash is definite calling out to me. Looks scrumptious!
Well yay! You can’t beat how easy it is! Enjoy!