Baked Fiesta Enchiladas

Ingredients

• 1 Tbsp. oil
• 1 pkg. (1/2 lb./225 g) sliced fresh mushrooms
• 1 red pepper, chopped
• 4 green onions, sliced
• 2-1/2 cups chopped cooked chicken Whole Foods 1 lb For $3.99 thru 02/09
• 1 can (10 fl oz/284 mL) condensed cream of chicken soup
• 3/4 cup sour cream
• 1/2 cup sliced pitted black olives
• 1 cup Cracker Barrel Shredded Old Cheddar Cheese, divided
• 6 large flour tortillas
• 1-1/2 cups salsa