Put the bread aside until needed later on. Peel both garlic cloves. Chop the tomato in half, trim the greenish parts around the stem area and chop the tomato up some more. Add it together with just one garlic clove to a clean blender. Season with a pinch of pepper and salt. Pour in the red wine vinegar.
Pulse the tomato until it is a fine puree. Now add the the olive oil.