Beef and Spinach Stir-Fry with Sesame-Ginger Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A quick and flavorful stir-fry combining tender beef strips with fresh spinach in a savory sesame-ginger sauce, perfect for a keto dinner. This asian fusion-inspired beef (keto, low carb) ready in about 20 minutes blends thinly sliced beef sirloin, washed and drained fresh spinach, sesame oil into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 350 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 10 min Serves 4 Asian Fusion cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp sesame oil in a large wok or skillet over high heat until shimmering. Add 1 lb thinly sliced beef sirloin and stir-fry for 3-4 minutes until the edges are browned but meat remains tender.
  2. Step 2: Add 3 minced garlic cloves and 1 tbsp grated fresh ginger to the beef, stirring for 30 seconds until fragrant.
  3. Step 3: Pour in 3 tbsp tamari soy sauce and sprinkle 1/4 tsp red pepper flakes, tossing to coat the beef evenly.
  4. Step 4: Add 6 cups fresh spinach and stir-fry for 2-3 minutes until the spinach wilts but stays vibrant green.
  5. Step 5: Remove from heat and garnish with 2 sliced green onions and 1 tbsp toasted sesame seeds before serving immediately over cauliflower rice or alone for a keto-friendly meal.

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Frequently asked questions

How long does Beef and Spinach Stir-Fry with Sesame-Ginger Sauce take to make?

Total time is about 20 minutes (10 min prep + 10 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Beef and Spinach Stir-Fry with Sesame-Ginger Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Beef and Spinach 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 Spinach 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 Spinach 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.

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