1 c  Mushrooms, thinly sliced
2 lg Tomatoes, thickly sliced
1/2 c  Yellow pear tomatoes, halved
1/2 c  Cherry tomatoes. halved
2 tb Balsamic vinegar
1 ts Sugar
1 ts Prepared mustard
2 tb Basil, minced
2 ts Cider vinegar
1/4 ts Salt
1/4 ts Pepper

Layer mushrooms & sliced tomatoes down the centre of a large platter. Ring
with the halved yellow & cherry tomatoes. In a small bowl, whisk together
the remaining ingredients & drizzle this over the tomatoes. Cover &
marinate at room temperature for 30 minutes.