Bring a large pot of salted water to a boil. Cook the pasta according to the package directions until al dente. Drain and set aside.
1/2 box bowtie pasta
Meanwhile, melt the butter over medium-high heat in a large sauté pan. Add the onions and cook, stirring occasionally, until soft, about 4-5 minutes. Add the garlic and cook for another 30 seconds.
2 Tablespoons salted butter, 1/2 onion, 6 cloves garlic
Sprinkle the flour over the onions and season with the salt and pepper. Cook for 1 minute, stirring frequently.
1 teaspoon all-purpose flour, Salt & pepper
Add the vegetables, cooking and stirring for a few minutes to soften slightly.
1 zucchini, 1/2 cup roasted red peppers
Add the cream, lemon juice, herbs, and shrimp. Continue to cook, stirring frequently, for about 5 minutes until the shrimp has turned pink, then stir in the Parmesan cheese. You may need to reduce the heat to medium if the sauce starts scalding.
1 pound shrimp, 1 cup heavy cream, Juice from 1/2 lemon, 1/2 teaspoon dried oregano, 1/4 teaspoon dried basil, 1/4 teaspoon dried marjoram, 1/4 teaspoon dried rosemary, 1/4 teaspoon dried thyme, 1/8 teaspoon crushed red pepper flakes, 1/2 cup freshly grated Parmesan cheese
Add the drained pasta and toss well to coat in the sauce. Serve immediately with additional Parmesan cheese for sprinkling over the top.