Step 1

Create the vinaigrette. Mince the garlic, add it to a small bowl, then add the vinegar, olive oil, salt, pepper, and oregano. Whisk together the marinade ingredients until they are emulsified.

Step 2

Slice the tomatoes and layer them in the ceramic pie plate, or glass or ceramic baking dish.

Step 3

Pour the marinade over the tomatoes. Cover with a lid, plastic wrap, or a wax food wrap, and move them to the fridge.

Step 4

Marinate for 2 to 24 hours, then serve.