In this case, the best transitional word to add to this sentence would be <em>indeed</em>. <em>Indeed </em>could be interpreted as <em>in the fact</em>, or <em>really/true</em>, and it confirms the statement from the first part of the sentence.
Katrina learned about many cooking traditions from her grandmother and in the fact she knows how to prepare one of the secret traditional recipes like parmigiana quesadillas with cheesy marinara rice.
The rest of the options could not be considered as a correct answers, as they represent the terms related with opposition, and they serve to introduce different statements or ideas.
