1Heat oven to 350°F. In 10-inch skillet, cook sausage over medium-high heat 8 to 10 minutes, stirring occasionally, until no longer pink; drain.
2In large bowl, stir together sausage, potatoes, chiles and 1 cup of the cheese. Spoon into ungreased 13x9-inch (3-quart) glass baking dish.
3In large bowl, beat eggs, Bisquick mix, milk, sour cream and salt with fork or wire whisk until blended. Pour over potato mixture.
4Bake 35 to 45 minutes or until knife inserted in center comes out clean. Sprinkle with crushed chips and remaining 1 cup cheese. Bake about 5 minutes longer or until cheese is melted.