"Layer bars" refers to a type of dessert or snack made by stacking different layers of ingredients such as chocolate, nuts, and cookies on top of each other. Full definition
Learn to make gluten - free seven layer bars with a graham cracker crust, gooey chocolate and peanut butter chips, sweet coconut flakes, and crunchy pecans. (curious.com)
I've never made layered bars before and it ended up being a snap. (markbittman.com)
Seven layer bars flavored like that go - to snack, the peanut butter + jelly. (thedomesticrebel.com)