Smoky Paprika Lean Beef Slow Cooker Tomato Spinach Soup

This hearty soup relies on the slow cooker to gently tenderize lean beef sirloin while infusing it with aromatic garlic, onion, and Spanish-style smoked paprika. The crushed tomato base creates a rich, savory broth that carries the warm, woodsy spice throughout the bowl. Adding delicate baby spinach right before serving keeps the greens vibrant and tender without overcooking. It is an effortless, hands-off meal built from straightforward pantry and produce staples.
Why this one works
- Smoked paprika imparts a deep, woodsy warmth directly into the tomato broth.
- Lean sirloin becomes tender over a gentle six-hour simmer without turning mushy.
- Minimal prep work requires only simple chopping before assembling everything in the cooker.
- Fresh baby spinach is added at the very end to preserve its bright color and delicate texture.

What you’ll need
- 1 lb (450g) lean beef sirloin, cubed Cut the sirloin into uniform bite-sized cubes so they cook evenly throughout the low simmer.
- 2 cups (480ml) crushed tomatoes Provides the body and acidity for the base broth; canned crushed tomatoes work well.
- 3 cups (75g) fresh baby spinach Stir in during the final ten minutes so the tender leaves wilt gently without discoloring.
- 1 tbsp (15g) smoked paprika Gives the soup its distinctive warm, smoky profile and rich reddish hue.
- 1 onion, diced Finely diced onion softens and melds seamlessly into the slow-simmered tomato base.
- 2 cloves garlic, minced Mincing releases the garlic oils, distributing flavor evenly through the liquid.
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What to have nearby
- Slow cooker (4 to 6 quart capacity)
- Chef's knife and cutting board
- Measuring cups and spoons
Step-by-step instructions
Everything except the greens goes directly into the slow cooker at the start, allowing the beef and aromatics to meld quietly over six hours. Keep the lid closed until the final ten minutes, when you will stir in the spinach just long enough to wilt.
- 1Step 1
Place the lean beef, onion, and garlic into the slow cooker.
- 2Step 2
Stir in the crushed tomatoes and smoked paprika.
- 3Step 3
Cover and cook on low for 6 hours.
- 4Step 4
Stir in the fresh baby spinach during the final 10 minutes of cooking until wilted.
- 5Step 5
Serve hot in a bowl.
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A few things worth knowing
- Keep the slow cooker lid securely in place during the primary 6-hour cook to maintain steady low heat.
- Cut the beef into consistent sizes to ensure every piece reaches uniform tenderness.
- Wait until the final ten minutes to add the baby spinach so the leaves stay green and retain their shape.
Ways to make it your own
- Garnish each bowl with freshly cracked black pepper just before serving.
- Finish with a small handful of chopped fresh flat-leaf parsley for a clean herbal touch.
Serving suggestions
Ladle the soup piping hot into wide bowls alongside warm crusty sourdough or rustic country bread to soak up the seasoned tomato broth. A crisp green side salad with a simple vinaigrette makes a fresh, clean accompaniment to balance the smoky depth.
Storage & reheating
Allow leftover soup to cool completely before transferring it to an airtight container and placing it in the refrigerator. Reheat gently on the stovetop over low heat or in short intervals in the microwave until heated through.
Nutrition notes
Nutrition is provided as a general estimate for the listed recipe. Brands, exact portions, and ingredient swaps can change the numbers.
Quick recipe answers
Can I use frozen spinach instead of fresh baby spinach?+
The recipe specifies fresh baby spinach, which wilts quickly in the hot broth during the last ten minutes. Frozen spinach carries extra moisture and may alter the soup's texture.
Why is the spinach added at the very end?+
Tender baby spinach wilts in just a few minutes; cooking it for six hours would cause the delicate leaves to break down completely.
Can this soup be cooked on high instead of low?+
The method is designed specifically for low heat over 6 hours, which allows lean sirloin to tenderize gradually without drying out.
With its smoky, savory broth and tender beef, this simple slow cooker soup offers a comforting, uncomplicated meal whenever you want satisfying flavor with minimal kitchen effort.

Smoky Paprika Lean Beef Slow Cooker Tomato Spinach Soup
Tender lean sirloin simmers gently with crushed tomatoes, garlic, onion, and smoked paprika before fresh baby spinach is stirred in at the end.

Ingredients
- 1 lb (450g) lean beef sirloin, cubed
- 2 cups (480ml) crushed tomatoes
- 3 cups (75g) fresh baby spinach
- 1 tbsp (15g) smoked paprika
- 1 onion, diced
- 2 cloves garlic, minced
Instructions
- Place the lean beef, onion, and garlic into the slow cooker.
- Stir in the crushed tomatoes and smoked paprika.
- Cover and cook on low for 6 hours.
- Stir in the fresh baby spinach during the final 10 minutes of cooking until wilted.
- Serve hot in a bowl.
Nutrition
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