Red Velvet Cake
["1 tsp. soda", "1 tsp. vinegar", "1/2 c. shortening", "2 eggs", "2 oz. red food coloring", "2 tsp. cocoa", "1 c. buttermilk", "1 tsp. salt", "2 1/2 c. sifted flour", "1 tsp. vanilla", "2 Tbsp. sour cream", "1 c. pecans"]
["Mix the soda and vinegar; set aside.", "Cream the shortening, sugar and eggs.", "Make a paste with food coloring and cocoa in a large bowl.", "Add eggs and sugar mixture to the paste.", "Add sour cream and pecans.", "Add buttermilk, salt, sifted flour and vanilla. Fold in vinegar and soda.", "Bake in two 9-inch pans at 350\u00b0 for 30 minutes."]
["soda", "vinegar", "shortening", "eggs", "red food coloring", "cocoa", "buttermilk", "salt", "flour", "vanilla", "sour cream", "pecans"]