Paleo Beef Stir Fry with Bell Peppers and Cashew-Free Sauce

By AislePrompt Editorial · Published 2026-05-03 · Updated 2026-05-03

A quick sautéed beef stir fry loaded with colorful bell peppers and a savory nut-free sauce, perfect for a Whole30-friendly dinner. This Asian-inspired Whole30 recipe (paleo), ready in about 25 minutes, pairs sirloin steak, red bell pepper, yellow bell pepper 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 Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. 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

• 1 lb, thinly sliced against the grain sirloin steak
• 1 large, sliced into thin strips red bell pepper
• 1 large, sliced into thin strips yellow bell pepper
• 1 large, sliced into thin strips green bell pepper
• 1 tbsp fresh, grated ginger root
• 3 cloves, minced garlic cloves
• 3 tbsp coconut aminos
• 1 tbsp sesame oil
• 2 tbsp avocado oil
• 2 stalks, thinly sliced green onions
• 1 tsp sea salt
• 1/2 tsp black pepper

The wok we’d stir-fry this in → Best Woks for 2026: Carbon Steel, Nonstick & Flat-Bottom Picks + Buying Guide

Instructions

1. Step 1: Heat 2 tbsp avocado oil in a large skillet over medium-high heat until shimmering. Add 1 lb thinly sliced sirloin steak and cook for 3-4 minutes, stirring frequently, until browned but still tender. Remove beef and set aside.
2. Step 2: In the same skillet, add 1 tbsp grated fresh ginger and 3 minced garlic cloves. Sauté for 30 seconds until fragrant.
3. Step 3: Add 1 large each sliced red, yellow, and green bell peppers, and cook for 5 minutes, stirring occasionally until peppers are crisp-tender.
4. Step 4: Return the cooked beef to the skillet. Pour in 3 tbsp coconut aminos and 1 tbsp sesame oil. Sprinkle with 1 tsp sea salt and 1/2 tsp black pepper. Toss everything together and cook for another 2 minutes until heated through.
5. Step 5: Remove from heat, garnish with 2 sliced green onions, and serve immediately.