You can make a sweet potato in the microwave in 5-6 minutes. You can make black bean-corn-tomato-olive oil salsa in the microwave in a couple minutes (But not at the same time as the potato). Just put them together and enjoy.
Here's some easy microwaveable chocolate-covered caramels from a recipe from averiecooks.com. In just seven minutes, you can be enjoying these treats, and never have to buy discounted heart-shaped boxes of chocolate the day after Valentine's again.
Put half a cup of pasta in a mug, put in enough water to cover the noodles, and microwave for 8 minutes. Then stir in a bunch of cheese. A quick and easy way to make a single serving of cheesy goodness.