"Cracker sandwiches" refers to a type of snack or meal where crackers are used as a substitute for bread to hold together the ingredients in a sandwich-like manner. Full definition
Use this frosting to frost cupcakes or brownies, make graham cracker sandwiches, stuff strawberries or raspberries... the possibilities are endless! (thereislifeafterwheat.com)
We used to make cracker sandwiches when we were kids and I'm doing it again. (KetoDietApp.com)
And if you're anything like us, those moments of weakness are at the junk food aisle staring at packages of peanut butter and cheese cracker sandwiches. (dailyburn.com)