The package directions instruct you to add water, eggs, and butter to the powdered mix before baking.
Stir melted butter into the crust mix until a crumbly dough forms. Whisk together the water, eggs, and lemon filling mix, pour the filling over the crust, bake, and then chill the bars before serving.
The product notes a shelf life of 548 days from the production date.
The mix suggests alternative uses such as Orange Cream bars, Pina Colada bars, or Meyer Lemon Cheesecake bars.
The product title and product name explicitly include the label “Gluten Free.”
The item is listed as a powdered mix (state of readiness: Mix; form: Powdered).
The product description states the mix is made with no artificial flavors.