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Pomegranate Harissa Lean Beef Slow Cooker Tomato Spinach Soup

Recipe guide: Nora Bennett
Pomegranate Harissa Lean Beef Slow Cooker Tomato Spinach Soup
Slow Cooker
DifficultyEasy
Prep time10 min
Cooking time6 hr
Total time6 hr 10 min
Servings4 servings

Slow cookers often turn soups into heavy, muted stews, but the pairing of harissa and pomegranate molasses keeps this dish exceptionally bright. Lean sirloin cubes break down gently in the crushed tomato base over several hours, soaking up warmth from North African chili paste and a tart, fruity sweetness from the molasses. Tender baby spinach folded in right at the end introduces fresh color and a soft, delicate texture that balances the rich broth.

Why this one works

  • Minimal hands-on prep before letting the slow cooker handle the simmer
  • Pomegranate molasses adds a tangy depth that cuts through rich crushed tomatoes
  • Harissa provides balanced heat and aromatic spice without needing extra seasonings
  • Lean sirloin stays tender and clean-tasting across the six-hour slow cook
  • Fresh baby spinach wilts instantly for a pop of color and light vegetable texture
Pomegranate Harissa Lean Beef Slow Cooker Tomato Spinach Soup close-up
Ingredients

What you’ll need

  • 1 lb (450g) lean beef sirloin, cubed Trim any tough exterior fat and cut the sirloin into uniform bite-sized cubes for even cooking.
  • 2 cups (480ml) crushed tomatoes Forms the rich, saucy soup base; smooth or slightly textured canned varieties both work well.
  • 2 cups (60g) fresh baby spinach Use tender fresh leaves; they soften within minutes of meeting the hot soup.
  • 2 tbsp (30ml) harissa paste Delivers roasted chili heat, garlic, and warm spices directly into the braising liquid.
  • 1 tbsp (15ml) pomegranate molasses Provides a concentrated sweet-tart acidity that lifts the rich tomato and beef flavors.

TRY THIS NEXT: If these flavors sound good to you, Tomato Herb Lean Beef Slow Cooker Tomato Spinach Soup is a natural one to save for next time.

Equipment

What to have nearby

  • Slow cooker
  • Cutting board and chef's knife
  • Measuring cups and spoons
  • Ladle
Quick overview
Prep
10 min
Cook
6 hr
Total
6 hr 10 min
Serves
4 servings
Method

Step-by-step instructions

This is a true dump-and-simmer slow cooker meal. Everything except the greens goes into the pot at once, giving the sirloin ample time to tenderize while absorbing the complex sweet and spicy braising liquid.

  1. 1
    Step 1

    Place beef, crushed tomatoes, harissa paste, and pomegranate molasses into the slow cooker.

  2. 2
    Step 2

    Cook on low for 6 hours until the beef is tender.

  3. 3
    Step 3

    Stir in the fresh baby spinach during the last 5 minutes of cooking until wilted.

  4. 4
    Step 4

    Serve hot in a bowl.

ALSO GOOD: If these flavors sound good to you, Dijon Herb Lean Beef Slow Cooker Tomato Spinach Soup is a natural one to save for next time.

Helpful details

A few things worth knowing

  • Cut the beef cubes evenly so they soften at the same rate during the six-hour window.
  • Stir the bottom thoroughly when loading the cooker to blend the molasses and harissa smoothly into the tomatoes.
  • Keep the lid on until the final few minutes so the slow cooker retains its braising heat.
  • Add the spinach only at the very end to keep the leaves bright green and prevent overcooking.
Variations

Ways to make it your own

  • Garnish individual bowls with a sprinkle of chopped fresh cilantro or flat-leaf parsley.
  • Ladle over a scoop of cooked grains or couscous for a heartier presentation.
Serving

Serving suggestions

Ladle the hot soup into deep bowls while the spinach is freshly wilted. It pairs naturally with warm crusty bread, toasted pita, or a simple side of steamed basmati rice to soak up the spiced tomato broth.

Storage

Storage & reheating

Allow leftover soup to cool before transferring to an airtight container. Keep refrigerated and reheat gently on the stovetop or in the microwave until hot throughout.

Frequently asked

Quick recipe answers

Can I add the spinach earlier in the cooking process?+

It is best to wait until the final five minutes. Baby spinach wilts almost instantly, and adding it earlier will cause it to lose its vibrant color and become overly soft.

What does pomegranate molasses do for the broth?+

Pomegranate molasses introduces a deep, tangy sweetness that balances the acidity of the tomatoes and the smoky heat of the harissa.

Final note

With just a handful of punchy ingredients and a low, steady simmer, this slow cooker beef soup delivers bold, layered flavor with very little effort.

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