1Spray bottom and sides of 13x9-inch (3-quart) glass baking dish with cooking spray. Place bread cubes in dish. In large bowl, beat eggs, half-and-half, 1/4 cup sugar, the cinnamon, salt and vanilla with wire whisk until smooth; pour over bread cubes. Cover tightly; refrigerate at least 4 hours but no longer than 24 hours.
2Heat oven to 400°F. Uncover dish; bake 25 to 35 minutes or until golden brown and knife inserted in center comes out clean.
3Meanwhile, in 2-quart saucepan, stir together 1 cup sugar and the cornstarch. Stir in orange juice until smooth. Stir in mixed berries. Heat to boiling over medium heat, stirring constantly. Cook about 6 minutes, stirring constantly, until topping is slightly thickened. Remove from heat.
4Just before serving, stir strawberries into topping. Serve warm over French toast bake.