Rhubarb Crumb Cake
["1/2 c. shortening", "1 1/2 c. packed brown sugar", "1 egg", "2 1/2 c. flour", "1 tsp. soda", "1 c. buttermilk or 1 c. milk mixed with 1 Tbsp. vinegar", "1 1/2 c. rhubarb, cut into 1/2-inch cubes", "1 tsp. vanilla", "1/2 c. chopped nuts", "1/2 c. sugar", "1 tsp. cinnamon", "1 Tbsp. butter"]
["Mix the first 9 ingredients and top with a mixture of the last 3 ingredients.", "Bake at 325\u00b0 for 60 minutes."]
["shortening", "brown sugar", "egg", "flour", "soda", "buttermilk", "rhubarb", "vanilla", "nuts", "sugar", "cinnamon", "butter"]