Easier than ordering takeout and just as tasty, this slow cooker beef and broccoli has tender beef in a rich and savory sauce for an easy dinner that works any night of the week.

plated Slow Cooker Beef and Broccoli

Recipe Highlights

  • Flavor: Every bite is savory, slightly sweet, and full of rich beef flavor, with an Asian inspired soy sauce that’s so delicious.
  • Skill Level: The slow cooker does most of the work in this beginner friendly recipe to create flavorful beef that is fork tender.
  • Time Saver: Use precut bagged broccoli florets, or frozen broccoli added near the end of the cooking cycle, for quick prep!
  • Serving: This dish is best served over brown or white rice, Asian noodles, quinoa, or cauliflower rice. Try it with a side of wonton chips.
broth , steak , broccoli , cornstarch , onion , garlic , brown sugar , stir-fry sauce with labels to make Grilled Quesadillas

Ingredient Notes

  • Flank Steak or Stewing Beef: Flank steak is easy to slice into thin strips for takeout style texture. Stewing beef is budget friendly and gets very tender with slow cooking.
  • Onion: Adds sweet and savory flavor with extra body as it reduces.
  • Garlic: Freshly minced garlic has the best flavor, but jarred minced garlic can work if you are in a hurry.
  • Broccoli: Fresh broccoli florets are bright with a tender crisp texture. Frozen works but won’t have quite the same texture.
  • Broth or Stock: Broth adds light flavor, while stock creates a richer sauce.
  • Stir Fry Sauce: Brings a touch of sweetness and flavor that makes beef and broccoli so recognizable.
  • Brown sugar: The sweet balances the salty sauce and gives it that classic sweet and savory flavor. Increase it if you want an even sweeter sauce.
  • Cornstarch and water: Mixed together, they help thicken the sauce at the end so it clings nicely to the beef and broccoli.

Variations

  • Swaps: You can swap soy sauce, teriyaki sauce, or coconut aminos in place of stir fry sauce.
  • Add Ginger: Ginger adds a zesty, classic stir fry flavor. Grate fresh ginger with a small grater and make sure to catch the juice and add it to the sauce.
  • Spice It Up: Stir in chili garlic sauce, red pepper flakes, or sriracha for some extra heat at the end of cooking.
  • Use a Different Protein: Sliced chicken thighs or breasts, or even pork tenderloin can be substituted, but cooking times will likely need adjusting.
  • Garnish: Garnish with some chopped green onions, sesame seeds, and a drizzle of sesame oil for even more flavor.

How to Make Slow Cooker Beef and Broccoli

  1. Dump beef and all other ingredients (except broccoli) into the slow cooker.
  2. Stir to coat, then cover and cook until the beef is tender. (Full recipe below.)
  3. Near the end of cooking time, stir in a cornstarch slurry to thicken the sauce.
  4. Add the broccoli and cook until tender but still bright green.
pot full of Slow Cooker Beef and Broccoli

Best Recipe Tips

  • Slice Meat Thin and Against the Grain: This is the trick to keeping flank steak tender and not chewy.
  • Partially Freeze the Beef: A slightly frozen piece of beef (about 1/2 hour) is much easier to slice into thin pieces.
  • If You’re Lookin’, Your Not Cookin’: Every peek inside the Crockpot releases heat and can affect the cooking time, so keep the lid on!
  • Fabulous Finish: Broccoli added at the end keeps it bright and tender crisp.
  • Adjust Seasoning: Sauces vary in levels of saltiness, so taste the dish after the sauce thickens, then adjust the seasoning as needed.
  • Meal prep tip: Make the beef and sauce ahead of time, then stir in fresh broccoli when reheating to keep it crisp and fresh.
close up of Slow Cooker Beef and Broccoli on a spoon

Storing the Leftovers

  • Refrigerate leftovers in an airtight container for up to 4 days.
  • Freeze leftovers, with the beef and sauce stored separately from the broccoli, for up to three months.
  • Reheat gently in the microwave or on the stovetop until hot. Add a little beef broth or water if the sauce has thickened up too much.
plated dish of Slow Cooker Beef and Broccoli

Takeout-Style Dinners at Home

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Slow Cooker Beef and Broccoli

This slow cooker beef and broccoli is an easy takeout-inspired dinner with tender beef, crisp broccoli, and a savory-sweet sauce. Serve it over rice or noodles for a cozy weeknight meal.
Prep Time 10 minutes
Cook Time 5 hours
Total Time 5 hours 10 minutes
Servings 4 to 6
Author Candace

Equipment

Ingredients  

  • pounds flank steak or stewing beef thinly sliced
  • 1 medium onion diced
  • 2 cloves garlic minced
  • ½ cup beef broth or beef stock
  • ¼ cup stir-fry sauce or soy sauce, or other substitute
  • 1 Tablespoon brown sugar
  • 1 Tablespoon cornstarch
  • 2 Tablespoons water
  • 10 to 11 ounces broccoli florets

Instructions 

  • To the slow cooker, add beef, onion, garlic, broth, sauce, and brown sugar. Stir gently to combine and coat the beef.
  • Cover and cook on low for 5 to 6 hours, or high for 3 to 4 hours, or until the beef is tender.

30 Minutes Before Serving:

  • In a small bowl, mix cornstarch and water to form a slurry.
  • Keeping the slow cooker open as little time as possible, add the slurry to the slow cooker and mix to combine. Sprinkle with the broccoli. Cover and continue cooking until broccoli is tender, but still vibrant in color.
  • Stir to combine, taste and add salt and pepper, or soy sauce, if desired.
  • Serve hot over rice or noodles. Garnish with sesame seeds.
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Nutrition Information

Calories: 300 | Carbohydrates: 13g | Protein: 41g | Fat: 9g | Saturated Fat: 4g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 3g | Cholesterol: 102mg | Sodium: 1038mg | Potassium: 901mg | Fiber: 2g | Sugar: 6g | Vitamin A: 442IU | Vitamin C: 66mg | Calcium: 86mg | Iron: 4mg

Nutrition information does not include optional ingredients or garnish and is an estimate. It may change based on actual ingredients and cooking methods used.

Course Main Course
Cuisine American, Asian

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About the author

I am a wife, mother of two, and professional accountant. I love fantastic food, and it is so often the center of our lives, from everyday dinner, to family gatherings, and special evenings at fabulous restaurants. I have always loved cooking and baking, with my mom and grandma, and now, with my daughter and son. I love trying new recipes while enjoying my favorites too. I’m so happy to share them with you.
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