In a large/wide bowl, whisk to combine egg, milk, cinnamon, stevia and vanilla extract.
Slice bread into halves (so it's in the shape of a triangle).
Heat up oil in a non-stick skillet over low heat.
Dip one piece of bread into egg mixture for 1-2 seconds on each side, and transfer to skillet immediately. Cook for 1.5-2 minutes on each side or until golden.
Repeat steps for remaining slices of bread.
Plate up your French toasts and top them off with yogurt, fruits and maple syrup (if using). Enjoy!