Slow Cooker Pasta Casserole

Delicious slow cooker pasta casserole with melted cheese and savory ingredients

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This Slow Cooker Pasta Casserole is a warm and comforting dish that brings everyone to the table! It’s packed with noodles, veggies, and your choice of meat, all cooked together to perfection.

Honestly, it’s like a big hug in a dish. I love how I can just toss everything in the slow cooker and let it do the work—more time to relax and enjoy a good show! 🍝

Key Ingredients & Substitutions

Pasta: Fusilli or rotini works great in this dish, as their shapes hold sauce well. You can use other pasta types too, like penne or shells. Just adjust the cooking time, as some shapes may require different cooking times.

Ground Beef: Ground beef adds richness, but you can swap it out for ground turkey or chicken for a lighter option. For a vegetarian twist, use lentils or a mix of your favorite veggies.

Spinach: Fresh spinach isn’t just nutritious; it wilts nicely into the casserole. If you don’t have fresh, you can use frozen spinach—just thaw and drain it first. Kale can be another hearty option.

Cheese: Mozzarella is classic for cheesiness, but you can mix in cheddar or Monterey Jack if you prefer sharper flavors. If you’re dairy-free, look for plant-based cheese alternatives that melt well.

How Do I Make Sure My Pasta Doesn’t Get Overcooked?

When using a slow cooker, it’s key to monitor your pasta carefully to prevent it from becoming mushy. Here’s how to keep it just right:

  • Cook on low. This gentle heat cooks the pasta evenly without overdoing it.
  • Stir halfway through cooking. This helps distribute heat and prevents sticking.
  • Check for tenderness about 30 minutes before the end of the cooking time. If it’s tender, you can adjust the cooking time accordingly.

Enjoy the ease of this recipe while ensuring your pasta is cooked to perfection!
Slow Cooker Pasta Casserole

Slow Cooker Pasta Casserole

Ingredients You’ll Need:

  • 12 oz fusilli or rotini pasta (uncooked)
  • 1 lb ground beef
  • 1 cup diced tomatoes (canned or fresh)
  • 2 cups marinara or pasta sauce
  • 1 small onion, diced
  • 2 cloves garlic, minced
  • 1 cup fresh spinach leaves
  • 1 1/2 cups shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 1 tsp dried oregano
  • 1 tsp dried basil
  • Salt and pepper to taste
  • 1 3/4 cups water or beef broth
  • Fresh basil or parsley leaves for garnish

How Much Time Will You Need?

This Slow Cooker Pasta Casserole takes about 15 minutes of prep time, followed by 3 to 4 hours of cooking on low. With minimal effort, you can set it and forget it, making it perfect for busy days!

Step-by-Step Instructions:

1. Brown the Beef:

In a skillet over medium heat, brown the ground beef with diced onion and minced garlic until fully cooked and browned. Don’t forget to drain any excess fat so your casserole isn’t greasy!

2. Prepare the Slow Cooker:

Next, spray the inside of your slow cooker with non-stick cooking spray. This will help prevent the pasta from sticking.

3. Combine Ingredients:

Now it’s time to add all your ingredients together! In the slow cooker, mix the uncooked pasta, cooked ground beef mixture, diced tomatoes, marinara sauce, water or broth, oregano, basil, salt, and pepper. Stir everything until well combined.

4. Cook:

Cover the slow cooker and cook on low for about 3 to 4 hours or until the pasta is tender. Make sure to stir once halfway through cooking to prevent sticking!

5. Add Spinach:

In the last 15 minutes of cooking, carefully fold in the fresh spinach leaves. They will wilt down perfectly, adding some great color and nutrition!

6. Melt the Cheese:

Sprinkle the shredded mozzarella and Parmesan cheeses evenly over the top of the casserole. Cover and let the cheese melt for about 10-15 minutes until it’s bubbly and gooey.

7. Serve and Enjoy:

Finally, garnish with fresh basil or parsley leaves for a pop of color. Serve hot and enjoy your comforting, cheesy Slow Cooker Pasta Casserole—it’s a hit for family meals!

Can I Use Whole Wheat Pasta Instead?

Absolutely! Whole wheat pasta is a great alternative and adds extra fiber to the dish. Just keep an eye on the cooking time, as whole wheat pasta can cook a bit differently than traditional pasta.

What Could I Substitute for Ground Beef?

If you’re looking for a healthier option, ground turkey or chicken works well. For a vegetarian version, consider using lentils, chickpeas, or cubed tofu as protein sources instead.

How Do I Store Leftovers?

Store any leftovers in an airtight container in the fridge for up to 3 days. To reheat, just place in the microwave or warm in a saucepan on the stove; you might need to add a splash of water or broth to loosen it up a bit.

Can I Freeze This Casserole?

Yes, this casserole freezes well! Just let it cool completely, then transfer it to a freezer-safe container. It can be frozen for up to 3 months. To reheat, thaw overnight in the fridge and warm in the oven or microwave.

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