1Heat oven to 350°F. Spray 13x9-inch (3-quart) glass baking dish with cooking spray. Cook and drain pasta as directed on package, using minimum cook time.
2In 12-inch nonstick skillet, cook beef and bell pepper over medium heat 8 to 10 minutes, stirring occasionally, until beef is thoroughly cooked and bell pepper is crisp-tender; drain.
3Stir in chili seasoning mix, tomatoes, enchilada sauce, beans and water. Reduce heat to medium; simmer uncovered 10 minutes. Add pasta, two-thirds of the French-fried onions and 1 cup of the cheese; stir gently. Spoon into baking dish.
4Spray sheet of foil with cooking spray; place foil sprayed side down over baking dish. Bake 25 minutes. Uncover; sprinkle with remaining French-fried onions, the bacon and remaining 1 cup cheese. Bake 8 to 10 minutes longer or until cheese is melted. Garnish with chopped green onions, if desired.