Marble Squares
["1/2 tsp. baking soda", "1 c. and 2 Tbsp. flour", "1/2 tsp. salt", "1/2 c. soft butter", "1 egg", "1/2 tsp. vanilla", "1/4 tsp. water", "6 Tbsp. granulated sugar", "6 Tbsp. brown sugar"]
["Blend the butter, vanilla, water and sugars.", "Beat in egg.", "Mix in flour mixture.", "Stir in 1/2 cup chopped nuts, if desired."]
["baking soda", "flour", "salt", "butter", "egg", "vanilla", "water", "sugar", "brown sugar"]