Blackberry Cake
["10 Tbsp. margarine", "1 3/4 c. white sugar", "3 eggs", "1 1/4 c. milk", "1 1/2 tsp. vanilla", "3 c. flour", "2 c. blackberries", "2 tsp. baking powder", "3/4 tsp. salt"]
["Mix all ingredients except blackberries.", "Fold blackberries in with wooden spoon. Do not use a mixer.", "Fold berries in by hand. Pour into greased and floured 9 x 13-inch pan. Bake at 350\u00b0 for 40 minutes."]
["margarine", "white sugar", "eggs", "milk", "vanilla", "flour", "blackberries", "baking powder", "salt"]