Zubereitung

1. 1

   Combine vinegar, mustard, oil, salt and pepper in a small covered container and shake well to combine.

2. 2

   Cut tomatoes into wedges and combine with onion, croutons and cheese.

3. 3

   Add desired amount of dressing and toss to combine.

4. 4

   Allow to sit at room temperature for about 20 minutes before serving for flavors to meld.