1. Spray 13x9 (3 qt) glass baking dish with cooking spray. Spread bread in baking dish. Sprinkle evenly with 1 1/2 c. of the cheese; mix lightly with bread. Sprinkle with tomatoes.
2. In medium bowl, beat eggs, milk, mistard, basil and salt with fork or wire shisk; pour over bread mixture. Cover tightly and refrigerate at least 2 hours but no longer that 24 hours.
3. Heat oven to 350 degrees. Bake uncovered 40-45 minutes or until knife inserted in center comes out clean. Meanwhile, in 10-inch skillet, cook bacon over medium heat 8-10 minutes, turning occasionally, until crisp; drain on paper towel.
4. Crumble bacon. Sprinkle bacon and remaining 1/2 c. cheese over strata. Let stand 10 minutes before serving.