Herbs and cheese are tossed with warm pasta for a simple, delicious dish.
Bring a large pot of salted water to a boil. Cook pasta according to package instructions until al dente. Drain, reserving 2/3 cup cooking water.
Return reserved cooking water to pot. Add garlic and a pinch of red-pepper flakes. Bring to a boil. Reduce heat to low. Add butter, and swirl to melt.
Return pasta to pot, and toss to coat. Add herbs, reserving some for garnish. Toss in 1/2 cup feta and the Pecorino. Season with salt and pepper, and garnish with reserved herbs. Sprinkle with remaining 1/2 cup feta and a pinch of red-pepper flakes if desired.