In an 8 x 8 baking dish, whisk together:
1 cup of heavy cream, half and half or whole milk
6 large eggs
1/2 cup pure maple syrup
2 T light brown sugar
1 tsp vanilla
1/4 tsp salt
Trim the crusts from 8 slices of bread, coat bread and fit into pan in a double layer. Gently press bread with a fork to soak up mixture. Cover with plastic wrwap and press on plastic to help bread soak up mixture. Refrigerate overnight.
Preheat over to 400 degrees, lightly butter a baking sheet. Lift slices onto sheet. Bake until puffed and golden, 12-15 minutes, turning half way.