Lemon Herb Beef & Vegetable Soup

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A light yet satisfying soup featuring tender beef, zucchini, and spinach, infused with lemon and herbs for a bright, nutrient-packed meal. This american-inspired slow cooker (whole30) ready in about 390 minutes pairs beef stew meat, medium, diced zucchini, packed spinach for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 290 calories and feeds 6, 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.

★ 3.2 (11 ratings) Prep: 15 min Cook: 375 min Serves 6 American cuisine 290 cal/serving
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Ingredients

Instructions

  1. Step 1: Place 1 1/2 lbs beef stew meat in slow cooker, then add 2 medium diced zucchinis, 2 minced garlic cloves, 1 tbsp chopped fresh thyme, and 4 cups low-sodium beef broth.
  2. Step 2: Cook on LOW for 6 hours until beef is tender, then stir in 2 cups packed spinach and 1 large zested and juiced lemon, ensuring spinach wilts completely.
  3. Step 3: Simmer uncovered for 15 minutes on LOW until flavors meld and soup reaches a gentle simmer, with lemon zest visible throughout and spinach fully wilted.

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Frequently asked questions

How long does Lemon Herb Beef & Vegetable Soup take to make?

Total time is about 390 minutes (15 min prep + 375 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 Lemon Herb Beef & Vegetable Soup?

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 beef stew meat from drying out.

Can I substitute ingredients in Lemon Herb Beef & Vegetable Soup?

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 Lemon Herb Beef & Vegetable Soup for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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 Lemon Herb Beef & Vegetable Soup 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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