- 1 (18.25 ounce) box devil's food cake mix
- 1 (6 ounce) package white chocolate chips
- 1 (6 ounce) package toffee chips
- 2 eggs
- 1/3 cup vegetable oil
- 1/4 cup brown sugar
- 1/4 cup confectioners' sugar, or as needed
- Preheat oven to 375 degrees F (190 degrees C).
- Combine cake mix, white chocolate chips, toffee chips, eggs, vegetable oil, and brown sugar in a large bowl; mix until dough comes together. Form dough into 2-inch balls.
- Pour confectioners' sugar into a shallow bowl. Roll each ball of dough in the confectioners' sugar until coated. Arrange on an ungreased baking sheet.
- Bake in the preheated oven until edges are firm, 8 to 10 minutes.