Slice tenderloins in half lengthwise and cut halves into bite size pieces. Season with salt and pepper.
In large deep skillet, over medium heat, melt 2 tablespoons butter. Add turkey and sauté 6 to 8 minutes, until browned on all sides.
Add squash to pan with turkey and sauté 1 minute.
Simmer, uncovered, over medium heat 4 to 6 minutes, until turkey is cooked through. Add lemon juice and remaining butter. Add cooked pasta and toss until heated.
Serve sprinkled with cheese.
