PREHEAT oven to 350° F.
HEAT oil in large skillet over medium-high heat. Add onion and garlic; cook, stirring frequently, for 4 minutes or until tender. Stir in chili powder, cumin, sugar and bouillon; cook, stirring constantly, for 30 seconds. Stir in tomato paste, water and evaporated milk; cook for a few minutes to heat through. Pour through fine-mesh strainer; discard onion/garlic pieces.
HEAT tortillas in microwave on HIGH (100%) power for 40 seconds or until very warm.
SPOON 2 tablespoons sauce over bottom of 9-inch-round deep-dish pie plate. Place 2 tortillas over sauce, covering entire bottom of pie plate. Top with 1 1/2 cups turkey, ¾ cup cheese, 1/2 cup green onions, half of the olives and 1 tablespoon cilantro. Top with about ½ cup sauce. Place 2 more tortillas over top. Sprinkle with remaining 1 1/2 cups turkey, ¾ cup cheese, remaining 1/2 cup green onions, remaining olives and 1 tablespoon cilantro. Top with about ½ cup sauce. Top with remaining 2 tortillas. Pour remaining sauce over tortillas. Sprinkle with remaining 1/2 cup cheese; cover loosely with foil.
BAKE for 25 minutes or until heated through. Remove foil and bake an additional 5 minutes or until cheese is bubbly. Sprinkle with remaining 2 tablespoons cilantro before serving. Serve with sour cream.
Cook's Tip: Like it spicy? Stir 1 can (4 ounces) diced green chiles into sauce.