1 (8 oz.) Italian bread, cut into 1-inch cubes
1 tsp ground mustard
1/4 tsp pepper
Preheat oven to 350°F. Cook bacon in large skillet until crisp. Reserve 2 tablespoons of the drippings. Drain bacon on paper towels; crumble and set aside. Add onion to drippings in skillet; cook and stir 3 minutes or until softened.
Beat eggs in medium bowl until foamy. Add milk, mustard, salt and pepper; beat until blended. Pour evenly over top. Press bread cubes lightly into egg mixture until completely covered. Let stand 10 minutes. Bake 40 to 45 minutes or until center is set and top is golden brown.