Rhubarb Squares
["1/2 c. sugar", "1 Tbsp. melted butter", "1 tsp. cinnamon", "1/2 c. chopped nuts", "1 1/2 c. packed brown sugar", "1/2 c. margarine", "1 egg", "2 c. flour", "1 tsp. baking powder", "1 c. sour cream", "1/2 tsp. salt", "1 1/2 c. cut up rhubarb"]
["Mix sugar, butter, cinnamon and chopped nuts together, then set aside.", "That's the topping.", "Mix rest of ingredients together; pour into greased 9 x 13-inch pan, then add topping.", "Bake 45 to 50 minutes at 350\u00b0 (325\u00b0 if glass dish)."]
["sugar", "butter", "cinnamon", "nuts", "brown sugar", "margarine", "egg", "flour", "baking powder", "sour cream", "salt", "rhubarb"]