1 (18.25 ounce) package yellow cake mix
1 recipe vanilla wafer frosting
1 cup milk
1/2 cup vegetable oil
1/2 cup brown sugar
1/2 cup water
1 tablespoon unsweetened cocoa powder
1/2 cup flaked coconut
1 (12 ounce) package orange flavored Jell-O
Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9x13 inch pan.
In a large bowl, mix together cake mix, cake filling, egg white, brown sugar, water, cocoa powder and coconut. Beat with an electric mixer or spoon until evenly distributed. Fill the prepared pan with greased and flour coated paper.
Bake in the preheated oven for 35 to 40 minutes, or until a toothpick inserted into the cake comes out clean. Cool completely before frosting.
To make the frosting: In a large bowl, mix the brown sugar, water, cocoa powder and coconut. Add lemon juice, if desired. Spread evenly over cooled cake.