Let's be honest: most 'easy cheesy' dinners are just a can of soup dumped over noodles. This isn't that. This is a real baked pasta with a proper cheese sauce, crispy top, and actual flavor – and it still comes together in about 30 minutes of active time.
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The key is a simple béchamel-style sauce that gets extra cheesy with a mix of sharp cheddar and mozzarella. You don't need to be a chef – just follow the steps and you'll get a bubbling, golden casserole that beats any boxed dinner.
I've tested this with various pastas and cheeses, and the formula below is the one that works every time. It's forgiving, but the details matter: don't skip the starchy pasta water, and don't overcook the pasta initially.
Why You'll Love This Recipe
About the Ingredients
12 oz (340g) penne pasta
Use any short pasta like rigatoni or fusilli. If you prefer whole wheat, it works, but add 2 minutes to the boil.
2 tbsp (28g) unsalted butter
Salted butter works too – just skip the added salt in the sauce.
2 tbsp (16g) all-purpose flour
Gluten-free flour blend can be substituted, but the sauce may be slightly thinner.
2 cups (480ml) whole milk
2% milk works, but whole milk gives a creamier sauce. For a richer version, use half-and-half.
1 cup (120g) shredded sharp cheddar cheese
Buy a block and shred yourself – it melts smoother. Mild cheddar is fine, but sharp adds more flavor.
1 cup (120g) shredded mozzarella cheese
Part-skim mozzarella melts well. Fresh mozzarella is too watery – avoid it here.
1/2 tsp garlic powder
Fresh garlic can be used – sauté 1 clove, minced, in the butter before adding flour.
1/2 tsp onion powder
Omit if you're not a fan, or use a pinch of nutmeg for a different flavor.
1/2 tsp Dijon mustard
This is the secret to a tangy, non-flat cheese sauce. Yellow mustard works in a pinch.
1/2 tsp salt
Adjust to taste – the cheese adds salt, so taste before adding more.
1/4 tsp black pepper
Freshly ground is best.
1/2 cup (50g) grated Parmesan cheese
For the topping – it gives a nice salty crunch. Pecorino Romano also works.
Tips & Tricks
Shred your own cheese
pre-shredded bags have anti-caking agents that prevent smooth melting.
- Don't overcook the pasta – cook it 1 minute less than the package directions, as it will continue cooking in the oven.
- Let the casserole rest for 5 minutes after baking – this allows the sauce to set and prevents a runny mess.
Pro Tips
Step-by-Step Instructions
1. Preheat oven to 375°F (190°C)
Preheat your oven to 375°F (190°C). Bring a large pot of salted water to a boil.
2. Cook the pasta
Add the penne and cook for 1 minute less than the package directions, about 8-9 minutes. Drain and set aside. Reserve 1/2 cup of pasta water.
3. Make the roux
In a large skillet or pot, melt the butter over medium heat. Add the flour and whisk constantly for 1-2 minutes until the mixture is lightly golden and smells nutty.
4. Whisk in milk
Gradually pour in the milk, whisking continuously to avoid lumps. Bring to a gentle simmer and cook for 3-4 minutes until the sauce thickens enough to coat the back of a spoon.
5. Add seasonings and cheese
Stir in garlic powder, onion powder, Dijon mustard, salt, and pepper. Reduce heat to low and add the cheddar and mozzarella, stirring until melted and smooth. Taste and adjust seasoning.
6. Combine pasta and sauce
Add the drained pasta to the sauce and stir until fully coated. If the sauce is too thick, add a splash of reserved pasta water.
7. Transfer to baking dish
Pour the mixture into a 2-quart baking dish (or 9-inch square). Sprinkle the Parmesan evenly over the top.
8. Bake until bubbly
Bake for 20-25 minutes until the edges are bubbling and the top is golden brown. For extra browning, broil for 1-2 minutes at the end. Let rest 5 minutes before serving.
Delicious Variations
- Add cooked bacon or ham for a smoky, salty twist.
- Mix in steamed broccoli or peas for a veggie boost.
- Swap the cheddar for smoked gouda or pepper jack for a different kick.
How to Store Easy Cheesy Dinner Idea
Refrigerator
Store leftovers in an airtight container for up to 4 days.
Freezer
Freeze in a freezer-safe container for up to 2 months. Thaw overnight in the fridge before reheating.
Reheating
Reheat in the microwave or oven at 350°F (175°C) until heated through, adding a splash of milk if dry.
Frequently Asked Questions
Q: Can I use gluten-free pasta?
Yes, you can use gluten-free pasta. Cook it according to package directions, but be careful not to overcook – gluten-free pasta can get mushy. The sauce is naturally gluten-free if you use a gluten-free flour blend.
Q: How do I prevent the cheese sauce from becoming grainy?
Grainy sauce usually happens when the heat is too high or the cheese is added too quickly. Keep the heat low when adding cheese and stir until just melted. Also, avoid pre-shredded cheese with anti-caking agents.
Q: Can I make this ahead of time?
Yes, you can assemble the casserole, cover, and refrigerate for up to 24 hours before baking. Add about 10 minutes to the bake time if baking from cold.
Q: What can I substitute for the Dijon mustard?
You can use 1/2 teaspoon of yellow mustard or a pinch of dry mustard powder. The mustard doesn't add a strong flavor – it just helps emulsify the sauce and adds a subtle tang.
If you tried this Easy Cheesy Dinner Idea, let me know in the comments how it turned out! And don't forget to share your own twists – I'm always looking for new variations.
Easy Cheesy Dinner Idea
Easy Cheesy Dinner Idea is a creamy baked pasta with melty cheese, ready in 30 minutes. Perfect for busy weeknights.
🧂 Ingredients
- 12 oz (340g) penne pasta
- 2 tbsp (28g) unsalted butter
- 2 tbsp (16g) all-purpose flour
- 2 cups (480ml) whole milk
- 1 cup (120g) shredded sharp cheddar cheese
- 1 cup (120g) shredded mozzarella cheese
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- 1/2 tsp Dijon mustard
- 1/2 tsp salt
- 1/4 tsp black pepper
- 1/2 cup (50g) grated Parmesan cheese
📋 Instructions
- 1Preheat oven to 375°F (190°C) — Preheat your oven to 375°F (190°C). Bring a large pot of salted water to a boil.
- 2Cook the pasta — Add the penne and cook for 1 minute less than the package directions, about 8-9 minutes. Drain and set aside. Reserve 1/2 cup of pasta water.
- 3Make the roux — In a large skillet or pot, melt the butter over medium heat. Add the flour and whisk constantly for 1-2 minutes until the mixture is lightly golden and smells nutty.
- 4Whisk in milk — Gradually pour in the milk, whisking continuously to avoid lumps. Bring to a gentle simmer and cook for 3-4 minutes until the sauce thickens enough to coat the back of a spoon.
- 5Add seasonings and cheese — Stir in garlic powder, onion powder, Dijon mustard, salt, and pepper. Reduce heat to low and add the cheddar and mozzarella, stirring until melted and smooth. Taste and adjust seasoning.
- 6Combine pasta and sauce — Add the drained pasta to the sauce and stir until fully coated. If the sauce is too thick, add a splash of reserved pasta water.
- 7Transfer to baking dish — Pour the mixture into a 2-quart baking dish (or 9-inch square). Sprinkle the Parmesan evenly over the top.
- 8Bake until bubbly — Bake for 20-25 minutes until the edges are bubbling and the top is golden brown. For extra browning, broil for 1-2 minutes at the end. Let rest 5 minutes before serving.
