Zero-Cache Vegetable Soup

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A comforting bowl of soup made with freshly diced vegetables and a homemade broth, free from any canned or pre-made stock for the purest flavor. This american-inspired soups ready in about 40 minutes pairs olive oil, large, diced onion, diced carrots for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 120 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.

Prep: 15 min Cook: 25 min Serves 4 American cuisine 120 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large pot over medium heat. Add 1 diced onion, 2 diced carrots, and 2 diced celery stalks. Cook for 5 minutes until softened and onions are translucent.
  2. Step 2: Add 3 minced garlic cloves and cook for 1 minute until fragrant.
  3. Step 3: Pour in 4 cups fresh vegetable broth and bring to a simmer. Add 1 cup diced zucchini and 1 cup diced cauliflower, and simmer for 15 minutes until vegetables are tender.
  4. Step 4: Stir in 1 cup fresh spinach and cook for 2 minutes until wilted. Season with salt and pepper to taste.
  5. Step 5: Serve hot, optionally garnished with a sprinkle of fresh parsley.

Equipment for this recipe

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Frequently asked questions

How long does Zero-Cache Vegetable Soup take to make?

Total time is about 40 minutes (15 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 Zero-Cache 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 olive oil from drying out.

Can I substitute ingredients in Zero-Cache 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 Zero-Cache Vegetable Soup 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.

What goes well with Zero-Cache Vegetable Soup?

American soups 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.

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