Feta Shrimp Pasta

Bring a large pot of lightly salted water to a boil.

Place pasta in the pot, cook 4 minutes, until al dente, and drain.

Transfer to a large bowl.

Melt the butter in a skillet over medium heat.

Place onion in the skillet and cook until tender. Stir in shrimp, and cook 3 minutes, or until opaque.

Mix in feta cheese, and continue cooking 1 minute. Toss with the pasta and serve.