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Overhead view of 3 bowls of Slow Cooker Vegetable Lo Mein with chopsticks

{Slow Cooker} Vegetable Lo Mein Noodles

This vegetable lo mein makes an easy slow cooker meal that is flavorful and versatile.

Course Main Course
Cuisine Asian
Keyword asian noodles slow cooker, slow cooker asian vegetarian, vegetarian chinese noodles
Prep Time 15 minutes
Cook Time 4 hours
Total Time 4 hours 15 minutes
Servings 4 servings
Calories 528 kcal



  • 1/2 cup low sodium vegetable broth
  • 3 tablespoons hoisin sauce see notes
  • 2 tablespoons low sodium soy sauce can substitute with gluten free tamari or coconut aminos
  • 2 teaspoons honey can substitute with agave
  • 1 teaspoon dark soy sauce can substitute with gluten free tamari or coconut aminos
  • 1 teaspoon sesame oil
  • 1/2 tablespoon mirin or Chinese cooking wine Shaoxing or dry Sherry
  • 1/2 teaspoon red chili pepper flakes optional
  • 2 garlic cloves minced
  • 1/2 tablespoon fresh ginger minced
  • 1 14-ounce package extra firm tofu
  • 1/2 cup matchstick carrots
  • 1 red bell pepper seeded, thinly sliced
  • 1 cup snow peas trimmed
  • 1/2 cup frozen edamame
  • 2 cups fresh lo mein noodles or cooked spaghetti noodles (use gluten-free if necessary)
  • 2 tablespoons cornstarch + 3 tablespoons cold water
  • sesame seeds optional; for garnish


  1. Spray inside of slow cooker with non-stick coating spray.

  2. Whisk together all the ingredient for the sauce in the slow cooker. Add minced ginger and garlic. Add the entire block of tofu to the bottom of the slow cooker. Cook on low for 1-2 hours or high for 1 hour flipping halfway through.

  3. Meanwhile, prepare noodles according to package directions, set aside.

  4. Transfer tofu to flat surface and cut into cubes. Add tofu and remaining vegetables to slow cooker, cover and cook for 1 hour on high.

  5. 30 minutes before serving, add noodles into slow cooker. To thicken the sauce, whisk together cornstarch and water in a small bowl and stir into slow cooker. Allow sauce to cook and thicken on high for 30 minutes. Give everything a good stir to combine and coat with sauce.

  6. Serve hot and garnish with sesame seeds, if desired.

Recipe Notes

Make sure hoisin sauce is vegetarian safe otherwise substitute with an equal amount of peanut butter and miso paste, or a homemade hoisin sauce recipe.

Nutrition Facts
{Slow Cooker} Vegetable Lo Mein Noodles
Amount Per Serving (1 serving (1/4 recipe))
Calories 528 Calories from Fat 36
% Daily Value*
Fat 4g6%
Sodium 1056mg44%
Potassium 287mg8%
Carbohydrates 106g35%
Fiber 5g20%
Sugar 10g11%
Protein 15g30%
Vitamin A 3935IU79%
Vitamin C 55.3mg67%
Calcium 35mg4%
Iron 1.5mg8%
* Nutrition facts are provided as a courtesy using the WPRM recipe calculator. It is best to make your own calculations to ensure accuracy. We expressly disclaim any and all liability of any kind with respect to any act or omission wholly or in part in reliance on anything contained in this website. Percent Daily Values are based on a 2000 calorie diet.