COOK onions, peppers, Italian seasoning and broth in large skillet until vegetables are crisp-tender. Meanwhile, mix cream cheese and Cajun seasoning until well blended.
FOR each serving: Spread 1 tortilla with 1 Tbsp. of the cream cheese mixture; top with 1/2 cup of the vegetable mixture and 2 oz. turkey. Fold tortilla in half.
HEAT 1 tsp. oil on griddle. Add quesadilla; cook 2 to 3 min. on each side or until golden brown on both sides.