Heat oven to 350°F. Cook sausage in medium skillet over medium-high heat until thoroughly cooked, stirring frequently. Drain.
Lightly spoon flour into measuring cup; level off. In large bowl, combine flour, sausage and 1 cup of the cheese; mix well. Spread into ungreased 13x9-inch (3-quart) glass baking dish. Sprinkle with chicken. Top with 1 1/2 cups salsa and beans.
In medium bowl, combine eggs and chiles; beat well. Stir in 1 cup of the cheese. Pour over mixture in baking dish. Sprinkle with remaining 1 cup cheese.
Bake at 350°F. for 25 to 35 minutes or until set and edges are golden brown. Cool 5 minutes. Spoon onto individual serving plates. Garnish each serving with additional salsa, sour cream and cilantro.