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Easy Slow Cooker Beef and Broccoli Recipe for Busy Weeknights

easy slow cooker beef and broccoli - featured image

A simple and flavorful slow cooker recipe featuring tender beef and crisp-tender broccoli in a savory, slightly sweet sauce. Perfect for busy weeknights with minimal prep and maximum taste.

Ingredients

Scale
  • 1.5 pounds flank steak or sirloin, thinly sliced against the grain
  • 4 cups fresh broccoli florets (about 300g)
  • 1/2 cup low-sodium soy sauce
  • 1/4 cup beef broth or water
  • 1/4 cup brown sugar, packed
  • 2 tablespoons oyster sauce (optional)
  • 2 teaspoons sesame oil
  • 3 cloves garlic, minced
  • 1 tablespoon fresh ginger, grated
  • 2 tablespoons cornstarch
  • 3 tablespoons cold water
  • Sesame seeds (optional, for garnish)
  • Sliced green onions (optional, for garnish)

Instructions

  1. Trim any excess fat from the flank steak and slice thinly against the grain into strips about 1/4 inch thick.
  2. In a mixing bowl, whisk together soy sauce, beef broth, brown sugar, oyster sauce, sesame oil, minced garlic, and grated ginger until sugar dissolves.
  3. Place the sliced beef at the bottom of the slow cooker and pour the sauce mixture evenly over the beef without stirring.
  4. Cover and cook on low for 4 to 5 hours, or on high for 2 to 3 hours, until beef is tender.
  5. About 30 minutes before the end of cooking, add the fresh broccoli florets on top of the beef and sauce. Cover and continue cooking.
  6. Mix cornstarch with cold water to create a slurry. Pour into the slow cooker and gently stir to combine. Replace lid and cook for another 10-15 minutes until sauce thickens and becomes glossy.
  7. Stir gently to coat everything evenly. Adjust seasoning if needed. Garnish with sesame seeds and sliced green onions if desired.

Notes

Slice beef thinly against the grain for tenderness. Add broccoli in the last 30 minutes to keep it crisp-tender. Use cornstarch slurry to thicken the sauce for a glossy finish. Avoid stirring during cooking to keep beef texture intact. Marinating beef in half the sauce for 30 minutes before cooking is optional but adds flavor.

Nutrition

Keywords: slow cooker, beef and broccoli, easy dinner, weeknight meal, crockpot, savory, sweet sauce, healthy, comfort food