01 - Set oven to 400°F to preheat.
02 - Place cherry tomatoes and minced garlic in a large oven-safe baking dish. Drizzle with olive oil and season with oregano, red pepper flakes if using, salt, and black pepper. Toss to combine evenly.
03 - Nestle the block of feta cheese in the center of the baking dish among the tomatoes. Drizzle additional olive oil over the feta.
04 - Bake in the preheated oven for 30 minutes until tomatoes burst and feta develops a golden crust.
05 - Simultaneously, cook pasta in a large pot of salted boiling water according to package directions until al dente. Reserve ½ cup pasta water then drain.
06 - Remove baking dish from oven. Using a fork, mash the baked feta and tomatoes until creamy and well blended.
07 - Add cooked pasta and chopped basil to the baking dish. Toss thoroughly, adding reserved pasta water gradually for a creamier consistency if desired.
08 - Season to taste with additional salt and pepper. Serve immediately, garnished with extra fresh basil leaves.