Beef and Mushroom Stir-Fry with Sesame Ginger Sauce
A savory keto stir-fry featuring tender beef strips and mushrooms coated in a fragrant sesame ginger sauce. This asian-inspired keto (keto, low carb) ready in about 27 minutes pairs sliced shiitake mushrooms, sesame oil, grated fresh ginger for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart.
Ingredients
- 1 lb, thinly sliced against the grain flank steak
- 8 oz, sliced shiitake mushrooms
- 2 tbsp sesame oil
- 1 tbsp, grated fresh ginger
- 3, minced garlic cloves
- 3 tbsp tamari sauce (gluten-free soy sauce)
- 1 tbsp rice vinegar
- 1 tsp erythritol
- 2, thinly sliced green onions
- 1 tbsp toasted sesame seeds
- 1/4 tsp (optional) red pepper flakes
Instructions
- Step 1: Heat 1 tbsp sesame oil in a large wok or skillet over high heat until shimmering. Add 1 lb thinly sliced flank steak and stir-fry for 3-4 minutes until browned but still tender; remove from pan and set aside.
- Step 2: In the same pan, add the remaining 1 tbsp sesame oil. Add 8 oz sliced shiitake mushrooms, 1 tbsp grated fresh ginger, and 3 minced garlic cloves. Stir-fry for 4-5 minutes until mushrooms are golden and fragrant.
- Step 3: Return the beef to the pan and stir in 3 tbsp tamari sauce, 1 tbsp rice vinegar, 1 tsp erythritol, and 1/4 tsp red pepper flakes if using. Cook for another 2 minutes, tossing until the sauce thickens slightly and coats the meat and mushrooms.
- Step 4: Remove from heat and garnish with 2 thinly sliced green onions and 1 tbsp toasted sesame seeds before serving.
Frequently asked questions
How long does Beef and Mushroom Stir-Fry with Sesame Ginger Sauce take to make?
Total time is about 27 minutes (15 min prep + 12 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Beef and Mushroom Stir-Fry with Sesame Ginger Sauce?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep sliced shiitake mushrooms from drying out.
Can I substitute ingredients in Beef and Mushroom Stir-Fry with Sesame Ginger Sauce?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Beef and Mushroom Stir-Fry with Sesame Ginger Sauce for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Beef and Mushroom Stir-Fry with Sesame Ginger Sauce keto?
Yes — this recipe is tagged keto, low carb, gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
