Preheat

Gather ingredients. Preheat oven to 400℉.

Dice

Wash and dice tomatoes into 1” pieces

Prep

Mince garlic, parsley, and dice the halved onion.

Mix tomatoes, garlic, onion, parsley, salt, black pepper, and red pepper flakes in a 9x13” casserole dish, making a space in the middle for the block of feta.

Add feta.

Bake

Pour olive oil over the feta and the tomato herb mixture. Transfer baking dish to oven for 40 minutes, uncovered.

Cook

Meanwhile, cook ½ box of rotini, reserving ½ cup of the pasta water.

Remove feta and tomatoes from the oven after 40 minutes.

Add fresh spinach.

Stir the fresh spinach, honey, and reserved ½ cup of pasta water to the hot baking dish, stirring the feta and tomatoes together and wilting the spinach with their residual heat.

Mix

Pour the rotini into the baking dish of sauce and mix it together.

Garnish

Top with torn fresh basil.