Low Carb Sweet Onion Teriyaki Sauce

Elevate your favorite dishes with this flavorful Low Carb Sweet Onion Teriyaki Sauce, a guilt-free twist on a classic recipe! Bursting with the natural sweetness of caramelized onions, balanced by savory low-sodium soy sauce (or gluten-free tamari), and a hint of apple cider vinegar for tang, this sauce is perfectly sweetened with erythritol or monk fruit for a keto-friendly finish. Fresh garlic, grated ginger, and toasted sesame oil infuse every drop with depth and warmth, while xanthan gum creates a beautifully thick, glossy texture. Perfect as a marinade, stir-fry enhancer, or dipping sauce, this versatile teriyaki sauce is quick to prepare and ready in just 25 minutes. Garnish with sesame seeds to add crunch and even more flavor! Whether you're meal prepping or serving it fresh, this low-carb teriyaki sauce is a healthier, homemade alternative that will easily become a kitchen staple.

Nutriscore Rating: 59/100

Prep Time:10 mins

Cook Time:15 mins

Total Time:25 mins

Servings: 6

Ingredients

• 1 medium (finely diced) Yellow onion
• 0.5 cup Soy sauce (low sodium or gluten-free tamari for gluten-free option)
• 3 tablespoons Erythritol or monk fruit sweetener
• 2 tablespoons Apple cider vinegar
• 2 cloves (minced) Garlic
• 1 teaspoon (grated) Fresh ginger
• 0.5 cup Water
• 0.25 teaspoon Xanthan gum (for thickening)
• 1 teaspoon Sesame oil
• 1 teaspoon Toasted sesame seeds (optional, for garnish)

Directions

Step 1

1. Heat the sesame oil in a small saucepan over medium heat.

Step 2

2. Add the finely diced onion and sauté for 5-7 minutes until the onion is softened and caramelized, stirring frequently to avoid burning.

Step 3

3. Add the minced garlic and grated ginger to the saucepan, cooking for 1 minute until fragrant.

Step 4

4. Stir in the soy sauce (or tamari), erythritol or monk fruit sweetener, apple cider vinegar, and water. Mix well to combine all the ingredients.

Step 5

5. Allow the mixture to come to a gentle simmer, then reduce the heat to low and let it simmer for 5-7 minutes. Stir occasionally to prevent sticking.

Step 6

6. Gradually sprinkle the xanthan gum into the sauce while continuously whisking to avoid clumps. Continue cooking for another 1-2 minutes until the sauce thickens to your desired consistency.

Step 7

7. Taste the sauce and adjust sweetness or saltiness as needed by adding more erythritol or soy sauce.

Step 8

8. Remove the saucepan from heat and let the sauce cool slightly. Transfer to a clean, airtight container if not using immediately.

Step 9

9. If desired, garnish the sauce with a sprinkle of toasted sesame seeds before serving.

Step 10

10. Use as a marinade, dipping sauce, or stir-fry sauce. Store any leftovers in the refrigerator for up to 1 week.

Nutrition Facts

Serving size	(440.7g)

Amount per serving	% Daily Value*
Calories	277.6

Total Fat 15.1g	0%
Saturated Fat 2.2g	0%
Polyunsaturated Fat 5.9g
Cholesterol 0mg	0%
Sodium 3959.7mg	0%
Total Carbohydrate 59.5g	0%
Dietary Fiber 2.9g	0%
Total Sugars 4.9g
Protein 9.9g	0%

Vitamin D 0IU	0%
Calcium 104.0mg	0%
Iron 1.5mg	0%
Potassium 620.7mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 32.9%

Protein: 9.6%

Carbs: 57.6%