Pat dough into a 12-inch pizza pan coated with cooking spray. Bake at 425° on bottom rack of oven for 5 minutes.
Heat oil in a large nonstick skillet over medium-high heat. Add onion; saute 2 minutes or until tender. Add brown sugar; cook 1 minute, stirring well. Add wine and vinegar; cover and cook 2 minutes. Uncover and cook 2 minutes or until liquid evaporates. Remove from heat; stir in apple, salt, and red pepper. Set aside.
Combine milk and cornstarch in a small saucepan; stir well. Bring to a boil; reduce heat to low. Simmer, stirring constantly, 2 minutes or until thickened. Remove from heat; add cream cheese, stirring until cheese melts. Let cool.
Spread cream cheese mixture over crust, leaving a 1/2-inch border. Spoon apple mixture over cream cheese mixture. Bake at 425° on bottom rack of oven for 12 minutes or until crust is lightly browned. Sprinkle with blue cheese and walnuts. Bake 5 additional minutes or until cheese melts. Let stand 10 minutes before serving.
Oxmoor House Cooking Light Collection