01 -
Set oven to 350°F. Lightly grease a 13x9-inch baking dish.
02 -
Combine sliced strawberries, cornstarch, lemon juice, and sugar in a bowl, then pour into the baking dish.
03 -
Layer the dry cake mix evenly over your berry mixture. Spread butter slices on top.
04 -
Bake for 8-10 minutes, then evenly spread any melted butter across the top.
05 -
Bake for another 25 to 35 minutes, or until the top is golden and bubbling.