2 large, very ripe bananas
1 cup milk
1 tsp cinnamon
4 eggs, slightly beaten
8 slices bread
3 Tbsp butter
Place bananas, milk, and cinnamon in a blender or food processor. Add eggs and process until smooth.
Transfer mixture to a baking pan.
Add bread slices and turn occasionally until all egg mixture has been absorbed.
Melt butter in a large skillet over medium heat. Add bread and cook until golden.