Alfredo Sauce
In a saucepan, combine butter, heavy cream, and cream cheese. Simmer this until all is melted, and mixed well. Add the Parmesan cheese and Garlic powder. Simmer this for 15 - 20 minutes on low. You may wish to season with a little salt and pepper.
Sautéed Shrimp
Slowly melt the butter with the EVOO. Once melted, turn the heat up to med.high and add the garlic. Get a nice aroma going and toss in the shrimp. Cook shrimp until pink and drain.
Cook fettuccine noodles according to the directions on the box.
Add cooked shrimp to the Alfredo sauce, then toss the cooked fettuccine noodles in with the sauce and shrimp.