Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking dish with butter.

Layer half of the cubed French bread evenly in the bottom of the prepared baking dish.

Sprinkle half of the softened cream cheese cubes over the bread layer, followed by half of the sliced strawberries.

Repeat the layering with the remaining French bread, cream cheese, and strawberries.

In a large mixing bowl, whisk together eggs, whole milk, heavy cream, granulated sugar, light brown sugar, vanilla extract, ground cinnamon, and salt until smooth.

Pour the custard mixture over the layered bread, pressing down gently to ensure saturation.

Let the dish rest for about 15 minutes. Cover and refrigerate overnight if desired.

Bake uncovered for 45 to 50 minutes until the top is golden brown and the center is set.

Let it rest for 10 minutes, slice into squares, dust with powdered sugar, and serve warm.