Preheat the oven to 450°F. Lightly spray an 8x8 baking pan with nonstick cooking spray. In a medium bowl, beat the egg until well mixed and stir in the milk, oil, corn meal and sugar. Stir until combined, but don't overmix. Pour into the prepared pan.
Bake for 20 to 25 minutes or until golden brown. Cool completely.
For the toast:
In a small bowl, combine the milk, eggs, cinnamon, and brown sugar. Whisk until well combined.
Slice the cornbread into 9 squares and then slice each square in half lengthwise to produce thinner squares.
Heat a nonstick skillet over medium-low heat. Lightly butter the pan. Carefully dip the squares of cornbread into the egg mixture, gently shake off the excess, and place in the pan. (Don't allow the cornbread to soak in the mixture - just a quick dip.) Cook for 3 to 4 minutes on each side, adjusting the temperature to keep it from burning. (The sugar in the egg mixture will burn, so be cautious.) Repeat until all of the cornbread has been cooked, adding additional butter if necessary. Hold the other pieces in a warm oven to keep them warm. Serve with maple syrup, fresh berries, and a sprinkling of powdered sugar, if desired.
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