Beef and Spinach Stir-Fry with Sesame Oil
A quick stir-fry of tender beef strips and fresh spinach leaves in a savory sesame oil sauce, ideal for a low-carb keto dinner. This asian-inspired keto (keto, low carb) ready in about 20 minutes pairs thinly sliced beef sirloin, washed fresh spinach leaves, sesame oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 3, 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. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 12 oz, thinly sliced beef sirloin
- 6 cups, washed fresh spinach leaves
- 2 tbsp sesame oil
- 2 tbsp soy sauce (or tamari)
- 3, minced garlic cloves
- 1 tsp, freshly grated ginger root
- 1/4 tsp red chili flakes
- 2 stalks, sliced diagonally green onions
- 1/2 tsp salt
- 1/4 tsp black pepper
Instructions
- Step 1: Heat 2 tbsp sesame oil in a large wok or skillet over medium-high heat until shimmering.
- Step 2: Add 3 minced garlic cloves and 1 tsp freshly grated ginger root, stir-frying for 30 seconds until fragrant.
- Step 3: Add 12 oz thinly sliced beef sirloin and cook for 3-4 minutes, stirring frequently, until the beef is browned on all sides.
- Step 4: Stir in 6 cups fresh spinach leaves, 2 tbsp soy sauce, 1/4 tsp red chili flakes, 1/2 tsp salt, and 1/4 tsp black pepper. Cook for 2-3 minutes until spinach wilts and sauce thickens slightly.
- Step 5: Remove from heat and garnish with 2 sliced green onions before serving.
Frequently asked questions
How long does Beef and Spinach Stir-Fry with Sesame Oil take to make?
Total time is about 20 minutes (10 min prep + 10 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 Spinach Stir-Fry with Sesame Oil?
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 thinly sliced beef sirloin from drying out.
Can I substitute ingredients in Beef and Spinach Stir-Fry with Sesame Oil?
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 Oil for a different number of people?
The recipe is written for 3 servings. Multiply each ingredient by (your serving target / 3). 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 Oil keto?
Yes — this recipe is tagged keto, low carb based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
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