Enjoying a rich lemon ooey-gooey cake has never been easier or more delicious!
Preheat oven to 350°F.
Lightly grease (butter and flour method, GOOP, or pan release) a 9x13 pan.
Press mixture into bottom of prepared pan. (it will be thick)
Stir in the lemon juice.
Pour mixture over cake mixture; bake for 35 to 40 minutes, or until center is just about set. (It should still be jiggly. An inserted toothpick should appear wet.)