A Colorado mom is saying that a teacher at her child's preschool refused to let her daughter eat the Oreo cookies she packed for her daughter's lunch because they weren't nutritious.

Leeza Pearson of Aurora, Colorado packed her 5-year-old daughter a ham and cheese sandwich, string cheese and a 4-pack of Oreo cookies for her lunch.

The child came back from the school with the cookies and a note from her teacher. Here's what part of the letter read:

'Dear Parents, it is very important that all students have a nutritious lunch. This is a public school setting and all children are required to have a fruit, a vegetable and a heavy snack from home, along with a milk. If they have potatoes, the child will also need bread to go along with it. Lunchables, chips, fruits snacks, and peanut butter are not considered to be a healthy snack. This is a very important part of our program and we need everyone's participation.'

Questions over the note remain and a director at the school said that she is investigating the note, adding that it should not have gone out to any parent. Brenda Dean, the director of Children's Academy, said it is not school policy to tell what children can or can't eat for lunch.