1Heat oven to 450°F. Sprinkle 1/4 cup of the crushed tortilla chips evenly in bottom of ungreased 9-inch glass pie plate. Make pie crust as directed on box for One-Crust Baked Shell in chip-lined plate. Prick crust with fork. Sprinkle remaining 1/4 cup crushed tortilla chips over crust; gently press into crust. Bake 9 to 11 minutes or until crust is light golden brown. Cool slightly.
2In 10-inch skillet, cook beef over medium-high heat 5 to 7 minutes, stirring occasionally, until thoroughly cooked; drain. Stir in beans, 1 cup of the cheese and the salsa. Cook over low heat 2 to 3 minutes, stirring occasionally, until beans are heated and cheese is melted.
3Spoon beef mixture into cooled baked shell. Top with lettuce, remaining 1/2 cup cheese, the tomato, sour cream, olives and onion. Serve immediately.