That her daughter baked for her is in bold

Jessica ate the cookies that her daughter baked for her.

In one or two sentences, identify the bold words as an independent clause, dependent clause, or phrase, and explain their functions within the sentence.

The bold words "that her daughter baked for her" are a dependent clause. This clause provides additional information about the cookies that Jessica ate, specifying that they were baked by her daughter. This clause is not a complete sentence on its own and relies on the main clause "Jessica ate the cookies" to make sense.