Grass-Fed Beef Stir-Fry with Bell Peppers
A quick, satisfying meal with lean protein and colorful vegetables for sustained energy. This Asian-inspired Whole30 recipe, ready in about 18 minutes, pairs grass-fed beef sirloin, bell peppers, onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 410 calories and feeds 2, 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
- 12 oz, thinly sliced grass-fed beef sirloin
- 2 medium, sliced bell peppers
- 1/2, sliced onion
- 2 cloves, minced garlic
- 3 tbsp coconut aminos
- 2 tbsp avocado oil
The wok we’d stir-fry this in → Best Woks for 2026: Carbon Steel, Nonstick & Flat-Bottom Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Heat avocado oil in a wok over high heat until shimmering. Add beef and stir-fry for 3 minutes until browned but not cooked through.
- Step 2: Add onion, bell peppers, and garlic. Stir-fry for 4 minutes until vegetables are crisp-tender and fragrant.
- Step 3: Pour in coconut aminos and cook for 1 more minute until sauce thickens slightly and coats the ingredients.






