Simple Slow Cooker Tuna Tomato Pasta Tips, FAQ & printable recipe

Tips for success

For a more vibrant flavor, you can stir in a handful of fresh herbs like chopped parsley or basil right before serving. These fresh additions provide a bright contrast to the concentrated, savory notes of the slow-cooked tomato sauce, elevating the overall dining experience without requiring any extra cooking time or complex techniques.

If you prefer a bit of heat, consider adding a pinch of crushed red pepper flakes along with the oregano.

This subtle addition builds a warm, lingering spice that complements the acidity of the tomato puree and the richness of the tuna, making the dish feel more dynamic and well-rounded for those who enjoy a little extra kick in their pasta meals.

Variations

• Spicy Tuna Pasta: Add 1 teaspoon of red pepper flakes and a dash of hot sauce along with the tomato puree for a spicy version that adds a lively heat to the savory tuna base.
• Vegetable Boosted: Incorporate 1 cup of frozen peas or diced bell peppers when adding the tomato puree. These vegetables add color and texture while keeping the preparation simple and effective.

Storage and make-ahead

Fridge

Store in an airtight container in the refrigerator for up to 3 days.

Freezer

Freeze in a freezer-safe container for up to 1 month. Thaw in the refrigerator before reheating.

Reheat

Reheat in a microwave-safe dish on medium power, stirring occasionally, or in a saucepan over low heat until hot throughout.

Allow any leftovers to cool completely at room temperature for no more than two hours before transferring them to an airtight container. Properly sealed, the pasta will maintain its quality for several days in the refrigerator.

When storing, try to keep the pasta and sauce mixed together to prevent the noodles from drying out, which helps maintain the best possible texture for your next meal.

This dish is an excellent candidate for making ahead, as the flavors often deepen after sitting for a few hours. You can prepare it in advance and keep it in the refrigerator, then reheat portions as needed.

It is a convenient solution for meal prepping, providing a reliable and satisfying dinner option that is ready to go whenever you need a quick, no-fuss meal during a busy week.

Serving ideas

Serve this pasta warm in wide, shallow bowls to showcase the glossy tomato sauce and tender penne. A simple side of crusty bread is perfect for mopping up any extra sauce left at the bottom of the bowl, ensuring that none of the rich, savory tomato and tuna flavors go to waste during your meal.

For a polished presentation, consider serving the pasta with a light dusting of freshly grated hard cheese or a drizzle of high-quality extra virgin olive oil.

These simple additions enhance the visual appeal and add a final touch of richness that makes the meal feel complete, turning a simple slow cooker dinner into a delightful dining experience.

Frequently asked questions

Recipe card

Simple Slow Cooker Tuna Tomato Pasta

Prep 5 minCook 3 hRest 5 minTotal 3 h 10 minServes 4

Ingredients

• 2 cans (5 oz each) canned tuna, drained and flaked
• 1 lb penne pasta, dry
• 1 tbsp dried oregano
• 2 cups tomato puree

Instructions

1. Place the flaked canned tuna into the bottom of the slow cooker insert. Distribute the dry penne pasta evenly over the tuna layer to ensure it cooks thoroughly in the sauce.
2. Sprinkle the dried oregano over the pasta. Pour the tomato puree over the top, ensuring that all the pasta is well coated by the liquid to prevent sticking or uneven cooking.
3. Cover the slow cooker and cook on high for 3 hours or until the pasta is tender and the sauce is thick and glossy. Ensure the internal temperature of the tuna reaches 145°F (63°C). Let it rest for 5 minutes before serving on warm plates.

Contains: gluten, fish

Estimated nutrition per serving

Calories

420

Protein

24.5 g

Carbohydrates

62 g

Fat

6.5 g

Fiber

5 g

Sugar

8 g

Sodium

580 mg

Automatic estimate from the ingredient list, not laboratory-verified.