Spray one 9x13-inch baking pan with cooking spray. Cut french bread into bite- size chunks and place into pan. In a large bowl, combine eggs, milk, half and half Truvía® Baking Blend and vanilla extract. Mix for 2 minutes with a wire whisk. Pour egg mixture evenly over bread, mix and press down, cover with plastic wrap. Store in the refrigerator for several hours or overnight. In a small bowl, mix together flour, Truvía® Brown Sugar Blend, cinnamon and salt, add sliced butter pieces and cut into the dry mixture using a fork. Combine until mixture has peas sizes chunks. Cover and store mixture in the refrigerator When ready to bake, preheat oven to 350°F, remove plastic wrap, and crumble topping on top of the bread mixture. Bake for 45-50 minutes or until a golden brown color. Serve warm.