Whisk together eggs, milk, sugar, vanilla and cinnamon in a shallow bowl.,
Melt butter in a skillet or on a griddle.
Dip both sides of the bread into the egg mixture quickly. Do not soak the bread, just coat both sides of the bread nicely and let the excess drip off.
Place the bread on the heated and buttered griddle or skillet and cook about 3 minutes per side until nicely browned.