Preheat oven to 350 degrees. Grease and flour a 13-by-9-inch baking dish.
Cut butter into cake mix until crumbly; remove 1 cup mixture for topping. To remaining mixture, add milk and eggs; beat on high with mixer for 2 minutes. Pour into prepared pan. Set aside.
Cream together sugar, cream cheese, lemon juice and rind; blend well. Drop by teaspoonfuls onto the batter and spread across batter to edges of pan. Add nuts to reserved crumb mixture; sprinkle over batter.
Bake in preheated oven for 30-35 minutes or until cake is light golden brown. Store cake in refrigerator. Makes 12 servings. Enjoy!