1: Combine all shrimp ingredients together and sauté in olive oil on medium-high heat for about 1 minute on each side, then set aside.
2: Cook the pasta according to its directions, reserving 1/2 cup of pasta water.
3: Heat olive oil and sauté chopped onions and scallions until translucent.
4: Add minced garlic and cook for 1 minute.
5: Add tomato paste and cook for 5 minutes.
6: Add vodka and cook for 2 minutes.
7: Add red pepper flakes, salt, and black pepper; cook for another minute.
8: Stir in heavy cream and combine well.
9: Add Parmesan cheese and reserved pasta water; combine well.
10: Mix in the cooked pasta and then add butter, stirring until melted.
11: Top with the cooked shrimp, garnish with basil, and enjoy!