-을 것이다

Etymology
+ + . Literally "it is a thing that [SUBJECT] will..."

Usage notes
Colloquially, is pronounced and written. This is prescriptively considered a misspelling. and both convey the subject's desire or the speaker's hypothesis, and often have (by extension) a future sense. However, conveys a hypothesis based on the speaker's subjective beliefs or sentiments, or based only on information perceived at the present moment. Meanwhile, conveys a hypothesis based on information exterior to the speaker or beyond that perceived at the present moment.

Thus means that the speaker feels that the meat will taste good based on what it looks like at the moment of speaking, whereas  means that the speaker has some exterior justification for believing that the meat will taste good—having previously tasted it, for instance.

The contrast extends to statements about the subject's desire. Thus emphasizes the speaker's subjective desire to go to America, while  implies that the speaker has not only the desire to go to America, but also some objective reason for believing that they will be able to do so.

Conjugation

 * See -이다. As the subject of is always, which can by definition never be honored, the honorific forms do not exist.