This Slow Cooker Mongolian Beef is easier, tastier, and healthier than takeout! Flank steak is slow cooked until tender in a sweet, sticky, perfectly spiced sauce.
Prep Time15 minutesmins
Cook Time2 hourshrs
Total Time2 hourshrs15 minutesmins
Servings: 4people
Calories: 437kcal
Author: Jennifer Debth
Ingredients
1 ½poundsflank steakhalved lengthwise, then sliced against the grain into 1/2 inch thick strips
¼cupcornstarch
½cupdark brown sugarpacked
½cupsoy sauceuse a gluten free variety (tamari or coconut aminos), if necessary
1cupbeef broth
1tablespoonhoisin saucecheck label to ensure it's gluten free, if necessary
1tablespoonseasoned rice vinegar
1tablespoonsesame oil
1teaspooncrushed red pepper flakesuse less or omit if you don’t like spice - this has a kick!
Toss flank steak and cornstarch together in a medium sized bowl until the cornstarch fully coats the steak. Set aside.
Grease a 6 quart crockpot with cooking spray, then whisk in brown sugar, soy sauce, broth, hoisin, vinegar, sesame oil, red pepper flakes, ginger, and garlic.
Stir in coated steak.
Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours.