Spicy Pork Stir-Fry with Bell Peppers and Mushrooms

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Sliced pork sautéed quickly with colorful bell peppers and mushrooms, tossed in a spicy soy-based sauce for a flavorful keto-friendly meal. This asian-inspired keto ready in about 25 minutes pairs pork tenderloin, thinly sliced, medium red bell pepper, sliced, medium yellow bell pepper, sliced 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.

Prep: 10 min Cook: 15 min Serves 3 Asian cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1 tbsp sesame oil in a large skillet over medium-high heat. Add 12 oz thinly sliced pork tenderloin and cook, stirring, for 4-5 minutes until browned and cooked through. Remove pork and set aside.
  2. Step 2: Add remaining 1 tbsp sesame oil to the skillet, then add 3 minced garlic cloves and 1 tbsp minced ginger. Sauté for 30 seconds until fragrant.
  3. Step 3: Add 1 cup sliced mushrooms, 1 medium sliced red bell pepper, and 1 medium sliced yellow bell pepper. Stir-fry for 4-5 minutes until vegetables are tender-crisp.
  4. Step 4: Return pork to the skillet and pour in 3 tbsp soy sauce and 1/2 tsp red chili flakes. Toss everything together and cook for an additional 2 minutes until sauce thickens slightly and coats the ingredients.
  5. Step 5: Garnish with 2 sliced green onions and serve immediately.

Equipment for this recipe

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Frequently asked questions

How long does Spicy Pork Stir-Fry with Bell Peppers and Mushrooms take to make?

Total time is about 25 minutes (10 min prep + 15 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 Spicy Pork Stir-Fry with Bell Peppers and Mushrooms?

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 mushrooms, sliced from drying out.

Can I substitute ingredients in Spicy Pork Stir-Fry with Bell Peppers and Mushrooms?

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 Spicy Pork Stir-Fry with Bell Peppers and Mushrooms 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.

What goes well with Spicy Pork Stir-Fry with Bell Peppers and Mushrooms?

Asian keto like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.