Never-Fail Banana Dump Cake
["1/2 c. shortening", "2 c. sugar", "2 eggs", "1 c. mashed bananas (3 to 4 medium)", "1/2 to 3/4 c. chopped nuts (optional)", "1 c. sour milk (use regular milk and add 1 1/3 tsp. vinegar if no sour milk)", "2 c. flour", "1 tsp. soda", "1 tsp. baking powder"]
["Dump shortening, sugar, eggs and bananas in bowl and mix.", "Dump in the rest of the ingredients and mix well.", "Use a greased 9 x 13-inch pan and dump mixture in.", "Bake at 350\u00b0 for about 40 minutes."]
["shortening", "sugar", "eggs", "bananas", "nuts", "sour milk", "flour", "soda", "baking powder"]