HEAT oven to 400ºF.
MAKE 2 or 3 small cuts in each short end of red pepper; press pepper to flatten. Spread red pepper and remaining vegetables into single layer on baking sheet sprayed with cooking spray. Sprinkle with black pepper.
BAKE 5 to 6 min. or until crisp-tender.
SPREAD cut sides of focaccia with cream cheese spread; fill with vegetables.