Make this recipe a recipe that people in that category can eat. categories: ['dairy_free'], recipe: grease and flour 8x10 pan. if double recipe use 9x13 pan. mix in a bowl 1/2 cup margarine, oatmeal, and boiling water. let set for 20 minutes. then add remaining cake ingredients from eggs to cinnamon and mix thoroughly. pour into pan. bake for 35 minutes at 350 degrees. take cake out of the oven and start the topping. make topping by mixing margarine, sugar, and vanilla in a sauce pan. bring ingredients to a boil. add vanilla, walnuts, and coconut and stir until mixed. pour over warm cake. put under broiler in oven until browned.

Target recipe: pour boiling water over oats; cover and let stand 20 minutes. cream butter and sugar until fluffy. blend in vanilla and eggs. add to oat mixture; mix well. stir together dry ingredients; add to creamed mixture, mixing well. pour into 13x9 pan coated with cooking spray. bake at 350 degrees for 45 minutes. do no t remove from pan. frosting combine all ingredients and spread on cake. broil until golden brown.