Optimal Defaults Grocery Shopping Intervention to Promote Healthy Diets for Pediatric Cancer Survivors and Their Families

Inclusion Criteria:

* Parent (or legal guardian) of child that is a survivor of pediatric cancer (any diagnosis)
* Pediatric patient age: 2 ≤ age \< 17 years old at time of study entry
* Child receiving follow-up care at the Roswell Park Comprehensive Cancer Center. The child should no longer be receiving active cancer directed therapy at time of enrollment. There is no limit to the time post treatment
* Parent is the primary caregiver of the child. This is defined as being the parent/guardian who is the most aware of the child's daily activities (or one of multiple guardians who are equally aware)
* Parent does at least 50% of the grocery shopping for the family
* Can be current online grocery shopper or willing to online grocery shop during the study, meeting these requirements: ≥ 75% of their grocery shopping from 1 of 4 specific grocery stores via Instacart (Wegmans, Aldi, Tops, and/or Walmart)
* Child eats ≥ 3 main meals at home with the participating parent per week
* Family does not have any dietary restrictions that would preclude them from being able to use at least some recipes in the study's recipe bank. Most dietary restrictions and preferences (e.g., vegetarian, vegan, halal, gluten-free, allergies to or preferences to avoid particular specific foods) can be accommodated by our large and diverse recipe bank. Only more severe and extensive restrictions would render a family ineligible, such as not being able to eat foods across multiple major food groups
* No history of eating disorders. This includes no history of eating disorders in the participating child's medical record. Parent will also be asked during the screening process to self-report whether or not they have ever been diagnosed with an eating disorder themself
* Participant is not currently receiving supplemental nutritional support such as nasogastric tube (NG), gastrostomy tube (GT) or parenteral support
* Participant is not actively utilizing a medically-tailored meal program, such as RxDiet
* Parent age: \> 18 years-old - NA (No Limit)
* Parent fluent in English
* Participant (or legal representative) must understand the investigational nature of this study and sign an Independent Ethics Committee/Institutional Review Board approved written informed consent form prior to receiving any study related procedure

Exclusion Criteria:

* Parent is unwilling or unable to follow protocol requirements
* Not meeting above inclusion criteria