01 -
Preheat the oven to 350°F (177°C). Lightly prepare a 9×13 inch casserole dish with nonstick cooking spray.
02 -
Combine cake mix, eggs, vegetable oil, and vanilla extract in a mixing bowl. Gently fold in Easter M&M candies and semi-sweet chocolate chips.
03 -
Spread the dough into the prepared dish and bake for 20 to 25 minutes. Allow it to cool completely before moving to the next step.
04 -
Slice the bars into squares and serve.