Preheat 400*

Toss tomatoes, 1/4tsp salt, pepper and oil. Transfer to baking dish

Put feta in middle of baking dish, season with pepper. Heat until tomatoes burst (30 mins)

Increase heat to 450 until tomatoes and feta are golden brown (10-15 mins)

Cook pasta (reserve some water)

Baking dish: stir in garlic and red pepper flakes. Smash tomatoes and feta until creamy.

Add pasta and 1/2 basil, stir until coated (add water as needed). Salt/pepper to taste. Top with basil and sea salt.