Bistro Shrimp Alfredo Pasta


  • 12 ounces penne pasta
  • 1/4 cup butter
  • 2 tablespoons extra-virgin olive oil
  • 1 onion, diced
  • 2 cloves garlic, minced
  • 1 red bell pepper, diced
  • 1/2 pound portobello mushrooms, diced
  • 1 pound medium shrimp, peeled and deveined
  • 1 (15 ounce) jar Alfredo sauce
  • 1/2 cup grated Romano cheese
  • 2 teaspoons cayenne pepper
  • Salt and pepper to taste


  1. Bring a large pot of lightly salted water to a boil. Cook pasta for 8 to 10 minutes or until al dente.
  2. Melt butter together with the olive oil in a saucepan over medium heat. Stir in onion and cook until translucent which is about 2 minutes. Stir in garlic, red pepper, and mushroom. Cook over medium-high heat until soft which is about another 2 minutes.
  3. Stir in the shrimp and cook until pink then pour in Alfredo sauce and Romano cheese. Bring to a simmer stirring constantly until thickened which is about 5 minutes. Season with cayenne, salt, and pepper to taste. Combine drained pasta into the sauce.