This Crock Pot Stir Fry Beef is a healthy and flavorful recipe, which uses beef sirloin and bell peppers. It’s a great low-carb dinner option, ready in about 6 hours and 45 minutes.
Crock Pot Stir Fry Beef Ingredients
- 2 pounds beef sirloin, cut into 1/4-inch strips
- 2 bell peppers, sliced
- 1 medium-size onion, sliced
- 1 cup broccoli, chopped
- 2 medium-size carrots, peeled & sliced or diced
Sauce Ingredients:
- 1/4 cup water
- 1/4 cup coconut aminos (or low-sodium soy sauce)
- 2 tablespoons rice vinegar
- 1 teaspoon sesame oil
- 2 garlic cloves, minced
- 1 tablespoon ground ginger
- 1/2 tsp salt
- 1/4 tsp pepper
- 1 tablespoon arrowroot starch + 1 tablespoon water (for thickening)
How To Make Crock Pot Stir Fry Beef
- Add base ingredients to the slow cooker: Place beef, bell peppers, onion, and carrots into the slow cooker.
- Mix and pour the sauce: In a bowl, whisk together the sauce ingredients. Pour over the contents of the slow cooker and stir well.
- Slow cook the beef and veggies: Cover and cook on HIGH for 2–3 hours or LOW for 4–6 hours.
- Add broccoli and finish cooking: Stir in chopped broccoli and cook for an additional 30 minutes.
- Thicken the sauce (optional): Mix arrowroot starch with 1 tablespoon water and stir it into the slow cooker for a thicker sauce.

Recipe Tips
- Can I use frozen vegetables? Yes, but add them during the last 30–45 minutes so they don’t get mushy.
- What’s a good substitute for coconut aminos? Low-sodium soy sauce works great if you’re not following paleo or Whole30.
- How to keep the beef tender: Slice the beef thinly against the grain and avoid overcooking.
- Can I add other vegetables? Yes, snap peas, baby corn, or zucchini are great additions.
- Do I need to brown the beef first? Not required for this recipe, but browning can add extra flavor.
What To Serve With Stir Fry Beef
This stir fry pairs well with low-carb or traditional sides. Try:
- Cauliflower rice
- Steamed white or jasmine rice
- Brown rice
- Stir-fried noodles
- Roasted vegetables
How To Store Stir Fry Beef
Refrigerate: Store leftovers in an airtight container for up to 4 days.
Freeze: Freeze cooled stir fry in meal prep containers for up to 3 months. Thaw overnight before reheating.
Stir Fry Beef Nutrition Facts
- Calories: 386
- Protein: 51.9 g
- Carbohydrates: 17.4 g
- Fiber: 4.3 g
- Sugar: 7.3 g
- Fat: 10.7 g
- Saturated Fat: 3.9 g
- Sodium: 765.6 mg
- Cholesterol: 135.6 mg
Nutrition information is estimated and may vary based on ingredients and cooking methods used.
FAQs
Can I make this with chicken instead of beef?
Yes, sliced chicken breast or thighs can be used with the same cooking times.
Why is my stir fry watery?
Add the arrowroot slurry at the end to help thicken the sauce.
Is this recipe paleo and Whole30 friendly?
Yes, if you use coconut aminos and check your other ingredients.
Can I prep this ahead of time?
Yes, add everything to the slow cooker insert and refrigerate overnight to start cooking the next day.
Try More Recipes:
Crock Pot Stir Fry Beef
Course: DinnerCuisine: AmericanDifficulty: Easy4
servings15
minutes6
hours30
minutes386
kcalA healthy, protein-packed stir fry made in the slow cooker with tender beef and colorful veggies.
Ingredients
2 lbs beef sirloin, thinly sliced
2 bell peppers, sliced
1 onion, sliced
1 cup broccoli
2 carrots, sliced
2 cups beef broth
- Sauce:
1/4 cup water
1/4 cup coconut aminos or soy sauce
2 Tbsp rice vinegar
1 tsp sesame oil
2 cloves garlic, minced
1 Tbsp ground ginger
1/2 tsp salt
1/4 tsp pepper
1 Tbsp arrowroot starch + 1 Tbsp water
Directions
- Add beef, bell peppers, onion, and carrots to slow cooker.
- Mix sauce ingredients and pour in. Stir.
- Cook on LOW 4–6 hours or HIGH 2–3 hours.
- Add broccoli and cook 30 more minutes.
- Stir in thickener if desired before serving.
