Quoted: Generally, studies have shown that on average a meal containing a spicy dish, like a bowl of chili, can temporarily increase metabolism by about 8 percent over a person’s normal rate, an amount considered fairly negligible. But besides a slight uptick in metabolism, spicy foods may also increase feelings of satiety.

breakfast is spelled "break" "fast" for a reason...

Quoted: However, if you want to boost your metabolism, have more energy, or lose weight, eating breakfast is one of the most effective ways to accomplish those goals. By waiting until lunch to eat, your body will assume you are fasting, since it may have been 12 or more hours since you last ate.