Ingredients
1 T olive oil
1 1/2 cup onion, thinly sliced
2 cloves crushed garlic
1 t Tabasco
1/2 t chipotle chili powder
1 T balsamic vinegar
1 T brown sugar

mushrooms, thickly sliced
blue cheese, sliced or crumbled
Italian bread, sliced and toasted
tomatoes, sliced
avocado slices
balsamic vinegar
seasoned salt

Instructions
Saute onions and garlic in oil in a 10-inch skillit. Add Tabasco, chili powder, vinegar, and brown sugar. Cook for 15 to 20 minutes, stirring occasionally, until onions are caramelized and most of the liquid is evaporated.

Stir mushroom slices in a little olive oil and balsamic vinegar and spread on a baking pan and place under the broiler 4-6 minutes - turning once. Broil the avocado slices.

Build sandwich with mushrooms, blue cheese, avocado, tomatoes, chipotle onions.