Protein-Packed Beef & Avocado Stuffed Bell Peppers

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A hearty, satisfying dinner with lean beef and avocado, packed with protein and healthy fats to support energy levels and muscle recovery during your Whole30 journey. This american-inspired whole30 (whole30) ready in about 45 minutes pairs Bell peppers, Ground beef, Onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 4, 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.

★ 3.5 (15 ratings) Prep: 20 min Cook: 25 min Serves 4 American cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F. Sauté 1/2 cup diced onion and 2 minced garlic cloves in a skillet over medium heat until softened, about 3 minutes.
  2. Step 2: Add 14 oz ground beef, 1 tsp cumin, 1/2 tsp chili powder, 1/2 tsp salt, and 1/4 tsp black pepper to the skillet; cook until beef is browned and cooked through, breaking into small pieces.
  3. Step 3: Spoon the beef mixture into the hollowed bell peppers, top with 1 mashed avocado and 1 tbsp lime juice, then bake for 20-25 minutes until peppers are tender and filling is heated through.

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Frequently asked questions

How long does Protein-Packed Beef & Avocado Stuffed Bell Peppers take to make?

Total time is about 45 minutes (20 min prep + 25 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 Protein-Packed Beef & Avocado Stuffed Bell Peppers?

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 bell peppers from drying out.

Can I substitute ingredients in Protein-Packed Beef & Avocado Stuffed Bell Peppers?

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 Protein-Packed Beef & Avocado Stuffed Bell Peppers for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Protein-Packed Beef & Avocado Stuffed Bell Peppers whole30?

Yes — this recipe is tagged whole30 based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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