4 pieces sun dried tomatoes, dry packed
1 tbsp butter or margarine
2 onions, thinly sliced
1 tbsp balsamic vinegar
to taste salt and pepper
6 egg
2 tbsp water
vegetable spray
9 inch (4, 23 cm) submarine or large crusty rolls, split
4 slices havarti cheese, regular or light
1/2 cup bacon pieces
lettuce leaves