Slow Cooker Tuna Arrabiata

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recipe by Octopus Publishing

  • Time icon
    Total Time
    5hrs 20mins
  • Serves icon
  • Calories icon

Canned tuna is the hero ingredient in this tasty slow cooked pasta sauce. Rich and smoky with an hint of heat, this hassle-free recipe will cook while you're at work. Just add pasta when you get home and serve.

recipe updated May 10, 2019


  • Onion icon
    1 (140g)
  • Garlic clove icon
    Garlic clove
  • Red bell pepper icon
    Red bell pepper
    1 (150g)
  • Fresh chili icon
    Fresh chili
    about ½ teaspoon (0g)
  • Canned tuna icon
    Canned tuna
    1¼ cups
  • Parmesan cheese icon
    Parmesan cheese
    as needed
  • Olive oil icon
    Olive oil
    1 tbsp (15ml)
  • Smoked paprika icon
    Smoked paprika
    1 tsp (2g)
  • Canned chopped tomatoes icon
    Canned chopped tomatoes
    13 ounces (about 1½ cups)
  • Fish stock icon
    Fish stock
    ¾ cup (158ml)
  • Salt & pepper icon
    Salt & pepper
    as needed
  • Water icon
    as needed
  • Salt icon
    as needed
  • Spaghetti icon
    12 ounces (about ½ cup)
  • Fresh basil icon
    Fresh basil
    as needed


  • kCook icon Wooden spoon
  • kCook icon Slow cooker
  • kCook icon Medium cast iron skillet
  • kCook icon Large saucepan
  • kCook icon Slow cooker bowl

Step preview

  1. Heat olive oil to a clean medium cast iron skillet
  2. Add onion to the medium cast iron skillet
  3. Fry until light golden - 5 min
  4. Stir in garlic clove, red bell pepper, smoked paprika and fresh chili the medium cast iron skillet
  5. Cook - 2 min
  6. Mix in canned chopped tomatoes to the medium cast iron skillet
  7. Transfer content of medium cast iron skillet to slow cooker bowl
  8. Mix in fish stock to the medium cast iron skillet
  9. Season with salt & pepper
  10. Boil
  11. Break canned tuna the slow cooker bowl
  12. Cover
  13. Cook in slow cooker - 4 hr 30 min, low heat
  14. Add water and salt to a clean large saucepan
  15. Boil
  16. Add spaghetti to the pasta
  17. Cook until tender - 8 min
  18. Drain
  19. Add pasta to slow cooker bowl
  20. Stir
  21. Serve
  22. Garnish with parmesan cheese and fresh basil
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