Rhubarb Coffee Cake
["2 c. flour", "1/2 c. butter", "1 c. buttermilk", "1 1/2 tsp. vanilla", "1 1/2 c. brown sugar", "1 egg", "1/2 tsp. salt", "1 1/2 c. rhubarb, cut"]
["Cream sugar and butter.", "Add egg alternately and sift dry ingredients with buttermilk and vanilla.", "Stir in fruit.", "Pour into 9 x 9-inch square pan.", "Sprinkle on top 1 cup white sugar; mix with 1 teaspoon cinnamon.", "Bake for 40 minutes in 350\u00b0 oven."]
["flour", "butter", "buttermilk", "vanilla", "brown sugar", "egg", "salt", "rhubarb"]