Preheat oven to 400 degrees Fahrenheit and prepare an 8x8 baking dish with cooking spray.
Place feta cheese in the center of the baking dish and surround the feta with whole cherry tomatoes, sliced red onions, and sliced mushrooms. Then, drizzle with 1 Tablespoon of olive oil.
Bake on center rack in the oven at 400 degrees for 25 minutes.
While cheese, tomatoes, onions and mushrooms are baking, prepare bow tie pasta according to package instructions.
When vegetable and cheese mixture is done baking, remove from oven and mix until well combined.
Add cooked pasta to baking dish and mix well until pasta is coated with feta cheese.
Serve warm and enjoy!