Cheddar Apple Tartine is a delicious open-faced sandwich that combines the sweetness of apples with the sharpness of cheddar cheese. The tartine is made by layering thinly sliced apples on top of a toasted bread slice, then topped with melted cheddar cheese. The combination of flavors creates a perfect balance of sweet and savory, making it a great option for breakfast or a light lunch. The tartine is easy to make and can be enjoyed warm or at room temperature.