Prepare to elevate your dinner game with a dish that combines the hearty satisfaction of steak with the comforting embrace of creamy pasta: our Creamy Roasted Red Pepper Steak Alfredo Spaghetti. This isn't just any pasta dish; it's a symphony of flavors, where tender, perfectly seared steak bites mingle with al dente spaghetti, all enveloped in a luxurious Alfredo sauce brightened by sweet, smoky roasted red peppers. It’s the kind of meal that feels gourmet but is surprisingly simple to whip up on a weeknight.
Why You'll Love This Steak Alfredo Recipe
There's something truly special about the combination of flavors and textures in this dish. The richness of the heavy cream and Parmesan, the savory depth of the seasoned steak, and the subtle sweetness and tang of roasted red peppers come together in perfect harmony. Here’s why this recipe deserves a spot in your rotation:
- Quick & Easy: Despite its impressive appearance, this meal comes together in under 40 minutes, making it ideal for busy evenings.
- Flavorful Steak: Sirloin or ribeye steak bites are seasoned and seared to perfection, adding a robust protein element.
- Creamy, Dreamy Sauce: A classic Alfredo base gets an exciting twist with the addition of roasted red peppers, offering a beautiful color and a delightful flavor profile.
- Versatile: Easily adaptable to your taste preferences, from adding extra spice to incorporating different vegetables.
The Magic of Roasted Red Peppers
Roasted red peppers are the secret ingredient that transforms a classic steak Alfredo into something truly extraordinary. Their natural sweetness intensifies during roasting, developing a smoky, slightly charred note that complements the richness of the Alfredo sauce beautifully. You can use jarred roasted red peppers for convenience, or roast your own for an even fresher, more intense flavor. Just remember to slice them before incorporating them into the sauce.
Tips for Perfect Steak and Pasta
Achieving Perfectly Seared Steak
The key to tender, flavorful steak bites is a hot skillet and not overcrowding it. Cook the steak in batches if necessary to ensure it sears rather than steams. A good quality pan and a sharp knife, like a Quality Chef's Knife, make preparing your steak much easier and safer. Don't overcook the steak; 1-2 minutes per side is usually enough for bite-sized pieces to remain tender and juicy.
Al Dente Spaghetti & Pasta Water
Cooking your spaghetti al dente (to the tooth) ensures it has a pleasant bite and won't get mushy when tossed with the sauce. And whatever you do, don't forget to reserve some pasta water! This starchy water is a chef's secret weapon, helping to emulsify the sauce and create that silky, luscious consistency we all crave.
Variations & Add-ins
- Add Some Veggies: Sautéed spinach, mushrooms, or asparagus would be delicious additions to this dish.
- Spice It Up: Increase the red pepper flakes for a spicier kick.
- Cheese Please: Experiment with other cheeses like Pecorino Romano for a sharper flavor, or a blend of Italian cheeses.
- Chicken Swap: Not a fan of steak? Cooked chicken breast or shrimp can easily be substituted for the beef.
Serving Suggestions
This Creamy Roasted Red Pepper Steak Alfredo Spaghetti is a complete meal on its own, but it pairs wonderfully with a simple side salad dressed with a light vinaigrette. A basket of crusty garlic bread is also an excellent choice for soaking up every last drop of that incredible sauce. Finish the meal with a sprinkle of fresh parsley for a pop of color and freshness.
Ready to Cook?
Gather your ingredients and get ready to create a truly memorable meal. Whether it’s for a special occasion or a cozy night in, this recipe is sure to impress. Enjoy every delicious bite!
FAQs
Can I use a different cut of steak for this recipe?
Yes, while sirloin or ribeye are recommended for their tenderness and flavor, you can also use flank steak, skirt steak, or even top round, keeping in mind that cooking times may vary slightly to achieve your desired doneness.
How can I make the Alfredo sauce thicker or thinner?
To thicken the sauce, simmer it for a few extra minutes, allowing it to reduce. For a thinner sauce, add more of the reserved pasta water, one tablespoon at a time, until you reach your desired consistency.
Can I prepare any components of this dish ahead of time?
You can prep the ingredients, such as slicing the steak and mincing the garlic, in advance. You can also roast your own red peppers a day or two before. However, for the best taste and texture, it's recommended to cook the steak and combine the sauce and pasta just before serving.
What are good serving suggestions for this Creamy Roasted Red Pepper Steak Alfredo Spaghetti?
This dish is hearty enough on its own, but it pairs wonderfully with a fresh green salad with a light vinaigrette, or some warm, crusty garlic bread to soak up all the delicious sauce.

Creamy Roasted Red Pepper Steak Alfredo Spaghetti
- Total Time: 35 minutes
- Yield: 4 servings 1x
Description
Indulge in a luxurious and easy-to-make pasta dish featuring tender steak bites, rich Alfredo sauce infused with roasted red peppers, and perfectly cooked spaghetti.
Ingredients
12 oz spaghetti
1 lb sirloin or ribeye steak, cut into bite-size pieces
Salt & black pepper, to taste
1 tsp garlic powder
2 tbsp olive oil
4 tbsp unsalted butter
3 cloves garlic, minced
1 cup roasted red peppers, sliced
1 cup heavy cream
½ cup grated Parmesan cheese
½ tsp Italian seasoning
½ tsp red pepper flakes (optional)
1 tbsp chopped parsley, for garnish
Instructions
Step 1: Cook the spaghetti according to package directions in a large pot of salted water until al dente. Drain, reserving ½ cup of the pasta water, and set aside.
Step 2: Season the steak bites generously with salt, black pepper, and garlic powder.
Step 3: Heat 2 tablespoons of olive oil in a large skillet over medium-high heat. Add the seasoned steak bites and sear for 1-2 minutes per side until beautifully browned and cooked to your desired doneness. Remove the steak from the skillet and set aside.
Step 4: In the same skillet, melt 4 tablespoons of unsalted butter over medium heat. Add the 3 minced garlic cloves and sauté for 1 minute until fragrant.
Step 5: Pour in 1 cup of heavy cream, then stir in ½ cup of grated Parmesan cheese, ½ tsp of Italian seasoning, and ½ tsp of red pepper flakes if you're using them for a touch of heat. Bring the sauce to a gentle simmer, stirring constantly, and cook for 2-3 minutes until it thickens and becomes smooth and creamy.
Step 6: Stir the 1 cup of sliced roasted red peppers into the creamy Alfredo sauce.
Step 7: Add the cooked spaghetti and the seared steak bites back into the skillet with the sauce. Toss everything gently to coat the pasta and steak evenly. If the sauce seems too thick, add a little of the reserved pasta water, one tablespoon at a time, until you reach your desired creaminess.
Step 8: Garnish with 1 tablespoon of fresh chopped parsley before serving immediately.
Notes
For an extra depth of flavor, consider marinating the steak for 30 minutes in a touch of olive oil, Worcestershire sauce, and garlic powder before searing. Adjust red pepper flakes to your spice preference. Freshly grated Parmesan makes a huge difference!
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Category: Main Course
- Method: Pan-frying, Simmering
- Cuisine: Italian-American
Nutrition
- Serving Size: 1 large serving
- Calories: 720 kcal
- Sugar: 5g
- Sodium: 850mg
- Fat: 38g
- Saturated Fat: 20g
- Unsaturated Fat: 15g
- Trans Fat: 1g
- Carbohydrates: 65g
- Fiber: 3g
- Protein: 35g
- Cholesterol: 180mg
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