Breakfast is the most important meal of the day, and that's a saying Starbucks, Taco Bell and McDonald's are taking to the bank. Breakfast, typically an afterthought on fast food menus, is heating up to be a big moneymaker. Starbucks recently expanded its range of breakfast sandwiches, a natural fit given the popularity of its coffees in peak morning hours. But Taco Bell also recently entered the market with its breakfast burritos and tacos, and McDonad's is gearing up to extend its breakfast hours.

More from Video

TheStreet Rewind: How to Make 'New Fashioned Wall Streeter'; Twist on a Classic

TheStreet Rewind: How to Make 'New Fashioned Wall Streeter'; Twist on a Classic

Thankfully Our Favorite #FearlessGirl is Not Going Anywhere

Thankfully Our Favorite #FearlessGirl is Not Going Anywhere

Jim Cramer: Will Apple or Amazon Become the World's First Trillion Dollar Stock?

Jim Cramer: Will Apple or Amazon Become the World's First Trillion Dollar Stock?

It's Dumb to Think Legalizing Weed Is Still a Political Issue

It's Dumb to Think Legalizing Weed Is Still a Political Issue

Video: How to Select Mutual Funds in Your 401(k)

Video: How to Select Mutual Funds in Your 401(k)