This bill amends the Food and Nutrition Act of 2008 to prevent any increase in food insecurity resulting from adjustments to the thrifty food plan. It specifically prohibits the Secretary of Agriculture from issuing any reevaluation or update to the plan that would lead to a rise in the number of households experiencing food insecurity. The legislation mandates that all future re-evaluations or updates to the thrifty food plan must continue to adjust the cost of the diet while explicitly ensuring they do not exacerbate food insecurity. For the purposes of this act, food insecurity is defined as the number of households that lack adequate food due to insufficient money and other resources to acquire it. This measure aims to safeguard access to nutritious food for vulnerable populations by embedding a non-regression principle into the thrifty food plan's administration.