Pantry Clean-Out Soup with Potatoes, Carrots & Spinach

A soul-warming, budget-friendly soup that transforms whatever's hiding in your crisper drawer into a silky, satisfying meal. One pot, 40 minutes, endless comfort.

Every January, I play a little game called “let’s see how long we can go without a grocery run.” It started in my tiny-studio-apartment days when every dollar had a job, and it’s become my favorite reset ritual. I rummage through the forgotten potatoes sprouting eyes, the carrots that have gone a bit bendy, and that half-bag of spinach I froze in a fit of virtue. Out of this scavenger hunt was born the soup that my friends now request by name: Pantry Clean-Out Soup. Technically it’s just vegetables simmered in well-seasoned broth, but the result tastes like intention—like I planned it all along.

I love this recipe because it meets you wherever you are. End-of-month budget stretch? Check. Snow-day comfort? Absolutely. Need to feed a crowd without a trip to the store? Done. The method is forgiving, the flavor is restaurant-level, and the leftovers taste even better tomorrow. Make a double batch on Sunday and you’ve got lunch boxes sorted through Thursday. Let me show you how to turn humble odds and ends into the kind of soup that makes people close their eyes after the first spoonful.

Why This Recipe Works

One-Pot Wonder: Minimal dishes, maximum flavor—everything simmers in the same Dutch oven.
Flexible Foundations: Swap potatoes for sweet potatoes, carrots for parsnips, spinach for kale—no rules, just ratios.
Pantry Heroes: Canned beans, boxed broth, and dried herbs create depth without fresh shopping.
Texture Magic: Half-pureeing the soup gives body without heavy cream, keeping it light yet luxurious.
Meal-Prep Gold: Flavors meld overnight; freezer-friendly for up to three months.
Budget Hero: Feeds six for well under a dollar per serving—cheaper than a latte.

Ingredients You'll Need

Think of the ingredient list as a gentle suggestion rather than a strict formula. The only non-negotiables are aromatics (onion & garlic), a sturdy starch, and liquid. Everything else is negotiable, which is the beauty of a clean-out soup.

Potatoes: Russets break down and thicken; Yukon Golds stay creamy and intact. If all you have are red potatoes, keep the skins on for extra texture. For a low-carb twist, sub in cauliflower florets, but add them during the last 10 minutes so they don’t turn to mush.

Carrots: They lend natural sweetness and that gorgeous sunset hue. If your carrots are limp, peel and soak in ice water for 15 minutes to re-crisp. No carrots? Use parsnips, turnips, or even a handful of frozen mixed veg.

Spinach: A wilting superhero. Fresh, frozen, or even micro-greens work. Stir in at the end for bright color and iron. Kale or chard need a few extra minutes—add them with the beans so they soften.

Beans: Cannellini are my go-to for buttery texture, but chickpeas, navy, or kidney beans all work. Canned saves time; if you cook dried beans from scratch, reserve their starchy liquid and swap in 1 cup for part of the broth—free flavor booster.

Broth: Low-sodium vegetable broth keeps the soup vegetarian. If you only have chicken broth, use it; just season cautiously at the end. No broth? Dissolve 2 tsp bouillon paste in 6 cups hot water.

Herbs & Spices: I keep it simple: bay leaf, dried thyme, and a pinch of smoked paprika for subtle depth. Finish with a squeeze of lemon to wake everything up. Fresh rosemary can overpower; use sparingly.

How to Make Pantry Clean-Out Soup with Potatoes, Carrots & Spinach

Prep Your Produce

Dice 1 large onion, peel & slice 3 medium carrots into half-moons, cube 4 medium potatoes into ¾-inch pieces (keep them submerged in cold water if you’re not starting immediately). Mince 3 garlic cloves. Rinse 1 can of beans under cold water until the foam disappears—this removes up to 40% of the sodium.

Sauté Aromatics

Heat 2 Tbsp olive oil in a heavy Dutch oven over medium. When the oil shimmers, add onion with ½ tsp salt; cook 4 minutes until translucent, scraping up any brown bits. Add garlic, 1 tsp dried thyme, ½ tsp smoked paprika, and a bay leaf; cook 60 seconds until fragrant. Toasting spices in fat blooms their oils—flavor shortcut unlocked.

Build the Base

Stir in carrots and potatoes; coat them in the spiced oil. Pour in 6 cups broth plus 1 cup water. Bring to a lively simmer, then drop heat to low, cover partially, and cook 15 minutes. Potatoes should be just pierce-able but not falling apart—this prevents mush later.

Add Beans & Simmer

Tip in the rinsed beans, ½ tsp black pepper, and 1 tsp salt (start with ½ tsp if your broth is salty). Simmer uncovered 8 minutes so flavors marry. Beans absorb seasoning better when added after the vegetables are nearly tender.

Create Silky Body

Ladle 3 cups of soup (mostly potatoes & broth) into a blender. Remove the center cap of the lid, cover with a folded towel, and blend until smooth—about 45 seconds. Return purée to the pot; it thickens the soup without flour or cream. Prefer rustic? Mash some potatoes against the pot side with a wooden spoon instead.

Finish with Greens

Stir in 3 packed cups spinach (or 2 cups frozen). Cook 1–2 minutes until wilted and vibrant. Overcooking greens dulls color and nutrients; stop when they’re just collapsed.

Brighten & Serve

Fish out the bay leaf. Stir in juice of ½ lemon, taste, and adjust salt. Ladle into warm bowls, drizzle with olive oil, and shower with freshly cracked black pepper. Serve with crusty bread or a grilled-cheese wedge for the full hygge experience.

Expert Tips

Low & Slow Flavor

If you have time, sweat the onions 10 minutes over low heat instead of 4. Caramelization adds natural sweetness that mimics a long-simmered stock.

Blending Safety

Never fill a blender more than half-full with hot liquid; hold the lid with a towel to prevent steam blowouts. An immersion blender works too—just pulse so you keep some texture.

Cool Before Freezing

Chill soup completely in an ice bath before freezing; this prevents ice crystals and freezer burn. Portion into silicone muffin trays, freeze, then pop out soup “pucks” and store in a zip bag—easy single servings!

Revive Leftovers

Potatoes keep drinking broth as it sits. When reheating, loosen with a splash of water or milk, then taste for salt—it often needs a pinch more after dilution.

Finish Fresh

A drizzle of good olive oil and crack of fresh pepper at the table instantly elevates humble pantry soup to trattoria level. Never skip the final acid—lemon or a splash of vinegar brightens all the earthy flavors.

Thickening Shortcut

No blender? Whisk 2 Tbsp flour into ¼ cup cold water and stir into simmering soup. Cook 3 minutes until cloudy, then proceed with greens.

Variations to Try

Moroccan Twist: Swap thyme for 1 tsp each cumin & coriander, add ½ cup red lentils with the beans, finish with a spoonful of harissa and chopped cilantro.
Creamy Tuscan: Stir in ¼ cup sun-dried tomato pesto with the beans and replace spinach with baby kale. Finish with ¼ cup heavy cream off-heat.
Smoky Bacon (Non-Veg): Render 3 strips chopped bacon before the onion; swap smoked paprika for chipotle powder.
Protein Power: Add 2 cups shredded rotisserie chicken or a cup of tiny quinoa during the last 10 minutes for extra staying power.
Asian-Inspired: Use sesame oil instead of olive, ginger + green onion whites with garlic, finish with soy sauce & a drizzle of toasted sesame seeds.
Extra Chunky Minestrone: Add ½ cup small pasta 5 minutes before the beans and stir in a handful of chopped parsley & grated Parmesan at the end.

Storage Tips

Refrigerator: Cool soup to room temp within 2 hours. Store in airtight glass containers up to 4 days. Reheat gently over medium-low; add broth or water to loosen.

Freezer: Ladle cooled soup into quart-size freezer bags, squeeze out excess air, and lay flat to freeze—stackable space savers! Thaw overnight in the fridge or 5 minutes under lukewarm water, then warm on the stove.

Make-Ahead: Soup flavor peaks on day 2, making it perfect for Sunday prep. Hold off adding spinach until reheating to keep that vibrant green.