01 - Set the oven to 400°F to begin heating.
02 - Place cherry tomatoes in a large baking dish, add minced garlic, drizzle with 2 tablespoons of olive oil, and season with salt, pepper, and oregano; toss to coat evenly.
03 - Create space in the center of the dish and place the block of feta cheese; drizzle the remaining 1 tablespoon of olive oil over the feta.
04 - Sprinkle crushed red pepper flakes over the feta if desired for added heat.
05 - Bake for 30 to 35 minutes until tomatoes have burst and feta is golden and softened.
06 - Simultaneously, boil salted water in a saucepan and cook the pasta until al dente according to package directions; reserve ½ cup pasta cooking water before draining.
07 - Remove baking dish from oven; mash the feta and tomatoes together using a fork until creamy and well combined.
08 - Add cooked pasta and fresh basil to the baking dish; toss thoroughly, incorporating reserved pasta water as needed to achieve a silky consistency.
09 - Taste and adjust salt and pepper if needed; serve immediately garnished with extra basil leaves.