Heat large nonstick skillet over medium heat. Place 2 quesadillas, oiled side down, in skillet. Brush tops with oil. Cook until quesadillas are brown, about 3 minutes per side. Transfer to sheet in oven to keep warm. Repeat with remaining 2 quesadillas.
04Cut each quesadilla into 3 or 4 wedges. Serve with remaining salsa.