2medium portabella mushrooms, washed in cold water
2medium zucchini, washed in cold water
1/4-- yellow onion, peeled
1/2cup shredded asiago cheese
1/4teaspoon ground black pepper
2 to 3-- Roma tomatoes
1/2cup Italian salad dressing
Cut a shallow slice on each potato to form a flat bottom for potato stack. Cut potatoes lengthwise into 3 pieces each.
Scrape brown gills from the underside of the mushroom cap with knife in a side to side motion. Discard. Slice zucchini, yellow onion, tomato and mushroom in 1/4-inch slices.
Assemble each stack in this order: potato (with flat base from Step 1), 2 zucchini slices (do not overlap), 3 to 4 onion slices, 3 to 4 mushroom slices, salt and pepper, Asiago cheese, 1 teaspoon Italian dressing, potato slice, 2 tomato slices, zucchini slices, salt and pepper, Asiago cheese, 1 teaspoon Italian dressing, potato lid, remaining Italian dressing.
Secure each stack with 2 toothpicks. Cover with plastic wrap and place in microwave. Microwave on HIGH for 16 minutes* or until potatoes are done. Let sit for 2 minutes. Use oven mitts to carefully remove from microwave and serve. CAUTION: Due to steam build-up, use oven mitts or tongs to remove plastic wrap from dish.
* Cooking times may vary depending on your particular microwave.