Slow Cooker Mongolian beef is an easy and tasty dish that is worthy of being added to your regular rotation. Delicious strips of beef and red pepper all coated in a wonderfully sticky, sweet and savory sauce.

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How great is it to discover a new dish that takes little effort, but is enjoyed by all. This dish easily fits that bill.
It can cook for long periods of time. So, you can make it in the morning and not worry about it again until dinner time. AND... It is versatile enough to be served different ways to help prevent dish fatigue.
Dish Fatigue
my "technical term" for how you feel about a dish you have made so many times you never want to see it again!
📃Shopping List
Lazy Mongolian beef is made with mostly shelf stable pantry items making it a great choice for those days when you haven’t planned ahead. The ingredient list includes:
- beef strips
- potato starch
- soy sauce
- beef broth
- brown sugar
- garlic
- sesame oil
- ground ginger
- fresh red pepper
- sesame seeds
- green onion
One great time saver is that this can be a "no-bowl" recipe. If you are using a slow cooker liner, it can be made right in the liner. If not, a zip lock bag works well. (You can, of course use a bowl if you choose!).
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👩🍳Instructions
For the laziest among us (me!!) add your beef strips and potato starch right into a liner or bag. Close tightly and shake to cover beef evenly in potato starch. Open the bag/liner back up, add all remaining ingredients except red pepper, sesame seeds and green onion.
Close liner/bag tightly again to and shake to mix. Carefully open bag/liner and place it in your slow cooker (or dump contents of bag/bowl into slow cooker).
Toss the red pepper slices in on top of beef mixture, cover and cook on low for 8 hours. When you are ready to serve, top with cut green onion slices and sprinkle with sesame seeds!
🍽Serving suggestions
This lazy beef recipe is delicious on its own. Since the sauce is a sticky one, you don't need anything to soak it up. However, the flavors of the dish still pair really nicely with rice, quinoa, and riced cauliflower. To mix things up a bit, try serving it over rice noodles, mashed potatoes or mashed cauliflower. It is also delicious served in lettuce wraps!
If you love this recipe, please let me know in the comment section below!
😉Hints and Hacks
- This is a great dish if your people will be eating at different times. After the cooking time, turn your slow cooker to low and everyone can have a warm and filling meal, no matter what time they are ready to eat.
- To make this a gluten free recipe, switch out the soy sauce for Liquid Aminos.
- The longer cooking time of this recipe makes this an ideal dish for days you are away from home. There is nothing better than walking in to a home cooked meal after a long day!
- Looking to make this dish sugar free? Switch the brown sugar with a sugar substitute such as my favorite: Swerve brown “sugar” erythritol.
- I always recommend the use of a slow cooker liner. Of course, this is an optional step. I like to purchase my liners in bulk for a less expensive per-piece price.
- In the market for a new slow cooker? I love mine!
๐ Recipe
Lazy Slow Cooker Mongolian Beef
All nutrition information shown here is automatically generated and should be considered an estimate. If you follow a specific diet, please calculate your own values to ensure accuracy.
Equipment
- 3.5 quart or larger slow cooker
- zipper close bag or mixing bowl
Ingredients
- 2 lbs flank or sirloin steak strips
- ¼ cup potato starch
- ½ cup soy sauce or gluten free alternative
- ½ cup beef broth
- ⅓ cup brown sugar Or sugar free alternative
- 1½ tablespoon minced garlic
- 1 tablespoon toasted sesame oil
- 1 teaspoon ground ginger
- 1 red pepper cut in strips
- sesame seeds to sprinkle on top
- chopped green onion (optional) optional
Instructions
- If you are using a slow cooker liner, place 2 lbs flank or sirloin steak strips in liner (if you are not using a liner, put beef into some sort of bag that you can tightly close, like a zip lock bag OR a mixing bowl)
- add ¼ cup potato starch to bag and close tightly (or bowl)
- shake bag so that all beef strips are coated in starch (or stir)
- add ½ cup soy sauce , ½ cup beef broth, ⅓ cup brown sugar , 1½ tablespoon minced garlic, 1 tablespoon toasted sesame oil, and 1 teaspoon ground ginger to bag (or bowl
- close bag again and shake to coat (or stir to mix)
- If using a slow cooker liner, place it in slow cooker, If not, dump ingredients into slow cooker
- Add 1 red pepper, sliced on top of meat mixture.
- cover and cook on low 6-8 hours.
- When you are ready to serve, stir and top with sesame seeds and chopped green onion
Notes
Nutrition
All nutrition information shown here is automatically generated and should be considered an estimate. If you follow a specific diet, please calculate your own values to ensure accuracy.
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Have you tried this recipe? I would love to hear your thoughts in the comment section below! 💗
Vicki Clardy Myers says
Susan
What can I use in place of potato starch?
Can Ii use corn starch instead?
Thanks in advance
Vicki
The Lazy Slow Cooker says
Hi Vicki,
I made this recipe with potato starch due to a family food sensitivity so I have never tried it with corn starch. But it is my understanding that they are interchangeable. I would go for it! And, if you do, I would love to hear how it goes. Thank you!!