Step 1

Bring a large pot of water to a boil to cook the pasta. Add 1 teaspoon of salt to the boiling water. While bringing water to a boil, warm a skillet over medium heat. Melt butter and add shrimp. Season the shrimp with salt and pepper.

Step 2

Stir the shrimp until they turn pink. This will only take about 4 minutes. Remove the shrimp and set aside.

Step 3

Add pasta to boiling water. Cook until al dente, about 8 minutes. Drain the water.

Step 4

While pasta is cooking, make the sauce. Add olive oil to skillet. Stir in onion and saute for about 2 minutes. Stir in garlic and red pepper flakes. Cook another minute.

Step 5

Stir in white wine or chicken broth. Bring to a boil and simmer for about 5 minutes. Stir in asparagus and lemon juice.

Step 6

Add cream and more butter. Stir in shrimp, chopped tomatoes, and cooked pasta. Sprinkle with grated Parmesan cheese.