Preheat oven to 350°

Line 2/ 9" cake pans, line w/ parchment paper, stay paper w/ cooking spray.Combine water, oil, cake mix, & baking soda in a bowl & mix for 3 minutes on low. Add eggs, lemon zest, & extract. Mix well.

Divide batter evenly between pans. Bake for 35 minutes. Allow to cool at room temp.

Place a layer on a plate. Spread a thin layer of butter cream over cake. Pipe a border around the top. Spread cake filling over the butter cream. Place second layer on cake, & spread butter cream on top & sides of cake. Garnish top w/ gummy lemon slices.