This Crockpot Beef and Broccoli turns a takeout favorite into a set-it-and-forget-it dinner. The beef cooks low and slow until it’s fork-tender, and the sauce soaks in with rich, savory flavor. You’ll toss in fresh broccoli at the end so it stays bright and crisp-tender.

Serve it over rice, noodles, or cauliflower rice, and you’ve got a cozy meal with very little effort. If you love easy, satisfying dinners, you might also enjoy this quick bowl-style option: Garlic Butter Steak Protein Bowl A Fast Flavor Packed Dinner or go low-carb with this speedy favorite: Keto Beef Ramen Bowl A Fast Flavor Packed Low Carb Dinner.

Crockpot Beef and Broccoli - Tender, Saucy, and Weeknight Easy

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Prep Time 15 minutes mins

Cook Time 4 hours hrs

Total Time 4 hours hrs 15 minutes mins

Servings: 6 servings

Ingredients Method

Ingredients

  

• 2 pounds flank steak or sirloin, thinly sliced against the grain
• 1/2 cup low-sodium soy sauce (or tamari)
• 1/2 cup beef broth
• 1/3 cup brown sugar or honey
• 3 tablespoons oyster sauce (optional but recommended)
• 1 tablespoon rice vinegar
• 1 tablespoon sesame oil
• 4 cloves garlic, minced
• 1 tablespoon fresh ginger, grated (or 1 teaspoon ground ginger)
• 1/4 teaspoon red pepper flakes (optional)
• 3 tablespoons cornstarch
• 2–3 cups broccoli florets (about 1 large head)
• Cooked rice or noodles, for serving
• Sliced green onions and sesame seeds, for garnish

Method

 

1. Prep the beef: Slice the beef thinly against the grain. Pat dry with paper towels for better browning and texture.
2. Make the sauce: In a bowl, whisk soy sauce, beef broth, brown sugar, oyster sauce, rice vinegar, sesame oil, garlic, ginger, and red pepper flakes.
3. Load the crockpot: Add beef and sauce to the slow cooker.Stir to coat.
4. Cook low and slow: Cover and cook on Low for 4–5 hours or on High for 2–3 hours, until beef is tender.
5. Thicken the sauce: Whisk cornstarch with 3 tablespoons cold water. Stir slurry into the slow cooker. Cook on High for 15–20 minutes until the sauce is glossy and thick.
6. Add the broccoli: Stir in broccoli, cover, and cook on High for 15–20 minutes, just until crisp-tender.You can also steam broccoli separately and stir it in right before serving for extra-crisp texture.
7. Finish and serve: Taste and adjust seasoning. Garnish with green onions and sesame seeds. Serve over rice or noodles.

What Makes This Recipe So Good

• Hands-off cooking: Toss everything in the slow cooker and let it do the work.
• Restaurant flavor at home: A glossy, garlicky sauce with just the right balance of savory and sweet.
• Perfect texture: Tender beef from low-and-slow cooking and crisp-tender broccoli added at the end.
• Flexible and forgiving: Works with different cuts of beef and pantry staples.
• Meal-prep friendly: Makes great leftovers for lunch the next day.

Ingredients

• 2 pounds flank steak or sirloin, thinly sliced against the grain
• 1/2 cup low-sodium soy sauce (or tamari)
• 1/2 cup beef broth
• 1/3 cup brown sugar or honey
• 3 tablespoons oyster sauce (optional but recommended)
• 1 tablespoon rice vinegar
• 1 tablespoon sesame oil
• 4 cloves garlic, minced
• 1 tablespoon fresh ginger, grated (or 1 teaspoon ground ginger)
• 1/4 teaspoon red pepper flakes (optional)
• 3 tablespoons cornstarch
• 2–3 cups broccoli florets (about 1 large head)
• Cooked rice or noodles, for serving
• Sliced green onions and sesame seeds, for garnish

Step-by-Step Instructions

1. Prep the beef: Slice the beef thinly against the grain. Pat dry with paper towels for better browning and texture.
2. Make the sauce: In a bowl, whisk soy sauce, beef broth, brown sugar, oyster sauce, rice vinegar, sesame oil, garlic, ginger, and red pepper flakes.
3. Load the crockpot: Add beef and sauce to the slow cooker.

   Stir to coat.

4. Cook low and slow: Cover and cook on Low for 4–5 hours or on High for 2–3 hours, until beef is tender.
5. Thicken the sauce: Whisk cornstarch with 3 tablespoons cold water. Stir slurry into the slow cooker. Cook on High for 15–20 minutes until the sauce is glossy and thick.
6. Add the broccoli: Stir in broccoli, cover, and cook on High for 15–20 minutes, just until crisp-tender.

   You can also steam broccoli separately and stir it in right before serving for extra-crisp texture.

7. Finish and serve: Taste and adjust seasoning. Garnish with green onions and sesame seeds. Serve over rice or noodles.

Storage Instructions

Cool completely, then store in an airtight container in the fridge for up to 4 days.

Reheat gently on the stovetop over low heat, adding a splash of water if the sauce has thickened too much. Freeze the beef and sauce (without broccoli) for up to 3 months; add fresh broccoli after reheating for best texture.

Health Benefits

• Protein-packed: Lean beef supports muscle repair and keeps you satisfied longer.
• Fiber and micronutrients: Broccoli brings fiber, vitamin C, vitamin K, and folate.
• Customizable sodium: Using low-sodium soy sauce helps keep salt in check.
• Balanced meal: Pair with brown rice or cauliflower rice for extra fiber and lighter carbs.

Common Mistakes to Avoid

• Overcooking the broccoli: Add it at the very end so it stays bright and crisp-tender.
• Skipping the cornstarch slurry: Adding dry cornstarch can clump. Always mix with cold water first.
• Using the wrong beef cut: Avoid tough, fatty stew meat unless you extend the cook time.

  Flank or sirloin works best.

• Not slicing against the grain: This makes a big difference in tenderness.
• Forgetting to taste and adjust: A splash of soy, a pinch of sugar, or a dash of vinegar at the end can balance flavors.

Variations You Can Try

• Low-carb: Swap brown sugar for a keto-friendly sweetener and serve with cauliflower rice. For more low-carb dinner inspo, check out Low Carb Bbq Chicken Bowl A Smoky Satisfying Weeknight Dinner.
• Extra veggies: Add snap peas, carrots, or bell peppers during the last 20 minutes.
• Spicy twist: Stir in chili-garlic sauce or gochujang for a kick.
• Gluten-free: Use tamari instead of soy sauce and confirm your oyster sauce is gluten-free.
• High-protein meal prep: If you like protein-forward dinners, you might enjoy this creamy skillet option: Spinach Chicken Alfredo A Creamy Comforting Skillet Dinner or this quick pasta idea: One Pot Parmesan Chicken Orzo Creamy Cozy And Weeknight Friendly.

FAQ

Can I use frozen broccoli?

Yes. Add it straight from the freezer during the last 10–15 minutes.

It may release a little more water, so cook until the sauce thickens back up.

What cut of beef works best?

Flank steak or sirloin sliced thinly against the grain gives a tender bite. Skirt steak also works with careful slicing and a little extra time.

Can I make this without cornstarch?

Use arrowroot or tapioca starch instead. Start with the same amount, mixed with cold water, and add gradually until the sauce coats a spoon.

How do I keep the sauce from getting too salty?

Use low-sodium soy sauce and balance with a bit of honey or brown sugar.

If it’s still salty, add a splash of water and a teaspoon of rice vinegar.

Do I need to sear the beef first?

It’s optional. Searing adds extra flavor, but the recipe still tastes great without it. If you have time, quickly brown the slices in a hot pan before slow cooking.

In Conclusion

With simple prep and cozy, takeout-style flavor, Crockpot Beef and Broccoli is a true weeknight hero.

It’s versatile, family-friendly, and great for leftovers. Round out your meal with a bright side or a fun dessert—try a fresh pasta salad like Caprese Pasta Salad With Balsamic Fresh Simple Perfect For Any Day or end on a sweet note with Lemon Brownies Lemonies. Enjoy the tender beef, crisp broccoli, and that glossy, umami-rich sauce—no takeout menu needed.