goes through a series of stages when it is heated. Initially, the margarine looks opaque on the bread. After some time, te margarine starts to melt there seems to be a semi-transparent layer on the bread. Continue heating the bread and the margarine soaks in. At this point, the surface of the bread is the softest and the most moist. Now is the best time to move to stage 3. If you continue to heat the bread, the surface will become less moist. and gradually harden. Eventually, the bread will dry up and start to brown. Usually, by this time it is too late to move to stage 3. Any sandwich you have will taste terrible. Take out the bread and have dry toast. This is your punishment for leaving the bread in there too long. 3. Placing the cheese 3.1 Take a slice of cheese, and place it on the buttered slice of bread at the center. If you are not used to working with toaster ovens, take one slice out, carefully place the cheese in the center. Ensure that there are no folds in th cheese. Place the slice of bread back in the oven. The oven need not be switched off during this stage. But you can do so if it will make you feel more comfortable. 4. Melting the cheese 4.1 Sliced cheese initially looks like a flat rectangular sheet with sharp edges. When the cheese melts, initially, the edges of the slice will start to