Beef & Broccoli Stir-Fry with Keto Peanut Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Savory beef strips and crisp broccoli smothered in a rich, nutty sauce made without sugar, ideal for a speedy weeknight dinner. This asian-inspired keto (keto) ready in about 27 minutes blends cut into small florets broccoli, avocado oil, soy sauce 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 510 calories and feeds 2, 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.

★ 3.6 (11 ratings) Prep: 12 min Cook: 15 min Serves 2 Asian cuisine 510 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp avocado oil in a wok or large skillet over high heat until smoking. Add 8 oz thinly sliced ribeye and cook for 2-3 minutes until browned, then transfer to a plate.
  2. Step 2: Add remaining 1 tbsp avocado oil to the skillet, then stir-fry 2 cups broccoli florets for 3-4 minutes until bright green and crisp-tender. Remove and set aside.
  3. Step 3: In the same skillet, mix 2 tbsp soy sauce, 2 tbsp peanut butter, 1 tsp sesame oil, 2 minced garlic cloves, 1 tsp grated ginger, and 1 tbsp apple cider vinegar. Cook for 1 minute until smooth, stirring constantly.
  4. Step 4: Return beef and broccoli to the skillet, tossing to coat evenly. Cook for 2 minutes until heated through and sauce thickens slightly. Season with 1/4 tsp kosher salt and 1/4 tsp black pepper, then serve immediately.

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Frequently asked questions

How long does Beef & Broccoli Stir-Fry with Keto Peanut Sauce take to make?

Total time is about 27 minutes (12 min prep + 15 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Beef & Broccoli Stir-Fry with Keto Peanut 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 & Broccoli Stir-Fry with Keto Peanut 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 & Broccoli Stir-Fry with Keto Peanut Sauce for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). 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 & Broccoli Stir-Fry with Keto Peanut Sauce keto?

Yes — this recipe is tagged keto based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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