1Heat oven to 350°F. Spray 13x9- inch (3-quart) glass baking dish with cooking spray. In 12-inch skillet, cook beef, sausage and onion mixture over medium heat 8 to 10 minutes, stirring occasionally, until beef and sausage are thoroughly cooked; drain. Stir in 1 cup marinara sauce.
2In medium bowl, beat half-and-half, Italian seasoning, garlic salt, pepper and eggs with wire whisk until blended.
3Layer half of the Texas toast in baking dish; top with half of the meat mixture and 1 cup of the cheese blend. Repeat layers. Pour egg mixture over top.
4Bake uncovered 50 to 55 minutes or until center is set. Let stand 5 minutes before serving. Garnish with basil. Serve with additional marinara sauce.