Step 1: Prepare Your Ingredients (Mise en Place)
The cooking process for this dish moves quickly, so it’s crucial to have all your vegetables chopped, garlic minced, and other ingredients measured and ready to go. This French culinary principle, known as “mise en place” (everything in its place), is the secret to a stress-free cooking experience.

Step 2: Cook the Pasta
Bring a large pot of water to a rolling boil. Add a generous amount of salt (it should taste like the sea). This step is essential as it seasons the pasta from the inside out. Add the pasta and cook according to package directions until al dente—it should still have a slight bite. Before draining, carefully reserve about 2 cups of the starchy pasta water. This liquid gold is key to creating a silky, emulsified sauce. Drain the pasta and set it aside.

Step 3: Blanch the Harder Vegetables
While the pasta is cooking, you can blanch the firmer vegetables to ensure they are perfectly crisp-tender. In the same boiling pasta water, add the cut asparagus and carrots. Cook for just 2-3 minutes until they turn bright green and are slightly tender. Using a slotted spoon, immediately transfer them to a bowl of ice water. This “shocks” the vegetables, stopping the cooking process and locking in their vibrant color and crisp texture. Drain and set aside.

Step 4: Sauté the Aromatics and Softer Vegetables
In a large skillet or Dutch oven, melt the butter with the olive oil over medium heat. Add the minced garlic and chopped shallot and sauté for about 1-2 minutes until fragrant and softened, being careful not to let the garlic burn. Add the sliced bell pepper and zucchini to the skillet. Cook for 4-5 minutes, stirring occasionally, until they are tender but still have a slight crunch.

Step 5: Build the Creamy Sauce
Pour the heavy cream into the skillet with the vegetables. Bring it to a gentle simmer and let it cook for 2 minutes to slightly thicken. Reduce the heat to low and gradually stir in 1 cup of the reserved pasta water. This will create the base of your luscious sauce. The starch from the pasta water helps the cream cling to the noodles and emulsifies the sauce, preventing it from breaking.

Step 6: Combine Everything
Add the cooked and drained pasta to the skillet, along with the blanched asparagus and carrots, and the fresh or frozen peas. Stir in the freshly grated Parmesan cheese, lemon zest, and lemon juice. Toss everything together gently but thoroughly, ensuring every piece of pasta and every vegetable is coated in the creamy sauce. If the sauce seems too thick, add another splash of the reserved pasta water until it reaches your desired consistency.

Step 7: Final Seasoning and Serving
Stir in the fresh parsley and basil. Season generously with salt, black pepper, and a pinch of red pepper flakes if you like a little warmth. Taste and adjust the seasonings as needed—it might need another squeeze of lemon for brightness or a bit more salt to make the flavors pop. Serve immediately, garnished with extra Parmesan cheese and a sprinkle of fresh herbs.