Mississippi Mud Cake
["1 1/2 c. flour (all-purpose)", "2 Tbsp. unsweetened cocoa", "1 c. margarine", "2 c. sugar", "1 tsp. vanilla", "4 eggs", "1 1/2 c. chopped pecans", "1 (7 oz.) jar Marshmallow Creme"]
["In a", "large", "mixer bowl, beat margarine until soft. Add sugar and vanilla. Beat until fluffy. Add eggs, one at a time, beating well.", "Beat in flour and cocoa. Add pecans.", "Pour into greased and floured 9 x 13-inch cake pan. Bake for 35 minutes at 350\u00b0."]
["flour", "unsweetened cocoa", "margarine", "sugar", "vanilla", "eggs", "pecans", "Marshmallow Creme"]