Step 1

Preheat the oven to 250°F.

Step 2

Line a baking sheet with parchment paper or aluminum foil.

Step 3

Arrange the tomatoes on a sheet pan, cut sides up, in a single layer.

Step 4

Sprinkle with sea salt.

Step 5

Bake in preheated oven for 2 ½ to 3 ½ hours, or until the tomatoes are dried out.

Step 6

Serve immediately.

Step 7

Or to store, transfer to a jar and cover with olive oil until the tomatoes are completely covered.