Toffee-Topped Cake Mix Bars
Last Updated on June 14, 2025 by
Jennifer Osborn
Cake mix toffee bars are dangerously easy. Just five ingredients, one bowl, and zero need to drag out your mixer. With toffee bits and a buttery base, this is your new go-to dessert for bake sales, potlucks, or late-night cravings.
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: Cake Mix Toffee Bars
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Ingredients
1 (13.25 oz) box yellow or white cake mix
1 (8 oz) bag Heath bits (about 1 ⅔ cups)
2 large eggs
5 tablespoons (or ⅓ cup) melted butter
1 (14 oz) can sweetened condensed milk
Equipment You’ll Need
Large mixing bowl
Spatula or wooden spoon
9x13 inch baking pan
Parchment paper (optional but helpful)
Metal binder clips to secure parchment (pro tip)
Step-by-Step Instructions
1. Make the base
In a large mixing bowl, stir together the cake mix, one egg, and the melted butter. This dough is on the dry side, so you’ll need to work it a bit to fully combine it.
I ended up pressing a bit of …