Slow Cooker Pepper Steak is so easy to make with simple ingredients and the best flavor packed sauce! This super tender pepper steak is great served over your favorite rice!
Whisk 1 cup of the broth, the soy sauce, brown sugar, salt, pepper and ginger together in a medium mixing bowl and set aside.
Add the steak, tomatoes, onion, green and red peppers, mushrooms and garlic to your slow cooker then pour in the sauce and stir to combine.
Cover with the lid then cook on low for 3 hours or on high for 1 ½ hours, stirring every 30 minutes to make sure all the beef gets cooked through.
Whisk the remaining ½ cup of broth and cornstarch together in a small bowl then pour it into the pot and stir to combine then cover and let it cook again for another 30-45 minutes or until the sauce has thickened to your liking.
Serve over rice and garnish with freshly sliced green onions and sesame seeds if desired.
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Notes
NOTE ON COOK TIME: If cooking this on LOW make sure you turn the heat up to HIGH and get the broth simmering before adding the cornstarch slurry. Stir it in and mix well, then allow to sit for 30-45 minutes or so till thick.