What is a good diet and exercise plan?

I plan to eat cereal or toast with peanut er for breakfast. It will followed by a gl of milk. Lunchtime, I usually eat a lean cuisine. Usually, for dinner I ear out or frozen meal. I plan to change dinner by making at home. I was either thinking of buying an electric stove, toaster oven, or special grills that cook fast and drain fat. In addition I plan exercise for 30 to 60 min. Usually either treadmill or that machine that starts with e.