Warmth 2 tablespoons of olive oil in a big skillet over medium-high warmth. Add the shrimp and sprinkle with salt, pepper, and minced garlic.
Sauté the shrimp for 4-5 minutes, or till they’re not translucent and absolutely cooked. Take away the shrimp from the skillet and put aside. Cut back the warmth to low.
Cook dinner the fettuccine in accordance with package deal instructions.
For the sauce, soften the butter in the identical skillet used for the shrimp over low warmth. Add the flour and enhance the warmth to medium. Whisk collectively and prepare dinner for two minutes, or till the flour turns a light-weight golden shade.
Slowly pour within the half and half whereas whisking to mix. Add the garlic powder and salt.
Carry the sauce to a simmer, whisking continuously. Simply earlier than it reaches a simmer, add 1 1/2 cups of parmesan cheese and stir till melted.
Add the cooked shrimp and pasta to the sauce, and let it simmer for an extra 2 minutes. The sauce will thicken because it simmers and because it stands. For a thinner sauce, add additional half and half or pasta water. For a thicker sauce, add additional parmesan cheese.
Serve with freshly grated parmesan cheese and a garnish of chopped parsley (optionally available).